Are We Preparing for First Contact? China, SETI and the New Science of UAP

Cold Open

“Do not reply to aliens without authorisation.”

In June 2026, those words began spreading across China. They appeared in headlines, videos and social media posts. And almost immediately, people began asking the obvious question.

Why was anyone being warned not to answer?

Had China detected something? Had scientists received a signal? Was someone preparing the public for contact?

No.

There had been no confirmed extraterrestrial transmission. No spacecraft had appeared. And China had not suddenly ordered its population to remain silent if aliens called.

But the real story was arguably more important.

Because scientists really had updated international guidelines for what should happen if convincing evidence of extraterrestrial intelligence is ever detected.

Verify it. Have other scientists confirm it. Tell the world. Consult internationally. And until that process has taken place...

do not answer.

At almost the same time, other scientists were proposing something equally remarkable. Stop imagining that extraterrestrial intelligence must announce itself with a radio message. Instead... look for its debris. Microscopic engineered particles preserved in the soil of the Moon.

And back here on Earth, Harvard astrophysicist Avi Loeb announced that he had been asked to assemble a scientific council to advise parts of the United States government on unidentified anomalous phenomena.

Three developments. Different organisations. Different evidence. Different scientific questions. But all three point toward something much bigger.

If evidence of another intelligence ever appeared... how would we know?

This is UFO to UAP Explained. I'm Matt Tones. And today we're investigating whether science is quietly preparing for first contact.

INTRODUCTION

Before we go any further, there is something important we need to establish.

Nothing in this episode proves extraterrestrial intelligence has contacted Earth. SETI has not announced an alien transmission. Scientists have not discovered alien technology on the Moon. And the existence of scientists investigating UAP does not establish that unidentified objects are extraterrestrial spacecraft.

This investigation is about something different. It's about the infrastructure of discovery. The methods being developed to distinguish genuinely extraordinary evidence from noise, interference, error and misidentification.

Because perhaps the important question is no longer simply:

Are we alone?

There is another question sitting underneath it.

If the answer was no... could we prove it?

PART ONE — DO NOT ANSWER

June 1st, 2026.

The International Academy of Astronautics releases an updated declaration governing how scientists involved in SETI should handle potential evidence of extraterrestrial intelligence.

The International Academy of Astronautics — or IAA — is not a government. It is an international scientific organisation. Its SETI Committee had spent several years revising principles first formalised decades ago and last substantially updated in 2010.

Seven days later, Chinese media begins reporting one of the most provocative parts of that declaration. The headline essentially translates to:

Do not reply to aliens without authorisation.

And that sentence was perfect for the internet. It was short. It was alarming. And stripped of context, it sounded almost like an emergency instruction.

But read the actual declaration and something different emerges.

The guidelines concern scientists searching for evidence of extraterrestrial intelligence. If a potentially significant signal or technosignature appears, researchers are encouraged to subject it to rigorous scrutiny. Independent observers should attempt verification. Different instruments should be used where possible. Natural and human-made explanations should be examined. Only after the evidence becomes sufficiently credible should a confirmed detection be announced.

And then comes the section that generated the headlines. If extraterrestrial intelligence were confirmed, scientists should participate in broad international consultation about whether humanity should respond. Until those consultations have occurred...

no reply should be sent.

The declaration specifically identifies the United Nations and other broadly representative international organisations as potential venues for that consultation. That principle has existed in earlier versions. But the information environment surrounding it has changed completely.

The last major version came from 2010. Today, any extraordinary claim could circle the planet before scientists had finished checking the equipment. A strange signal appears. Someone photographs a computer screen. The image reaches social media. An account announces that aliens have been detected. Another account claims the government is suppressing it. Within minutes there are fabricated documents. Fake translations. AI-generated recordings. Deepfake scientists. And millions of people trying to decide what is true.

The scientists who updated the protocol explicitly recognised that problem. Social media. AI-generated misinformation. Deepfakes. Twenty-four-hour news cycles.

That might sound like a communications problem. But in a first-contact scenario, it becomes part of the science. Because evidence only matters if we can establish what is authentic.

And that gives us our first question.

If a genuine extraterrestrial signal were detected tonight, who would you trust to verify it?

One observatory? A university? A government? Or would you need independent confirmation from multiple countries before believing it?

Hold that thought. Because we've faced something surprisingly similar before.

PART TWO — THE SIGNAL THAT WASN'T ALIENS

Cambridge. 1967.

A 24-year-old graduate student named Jocelyn Bell is working with a radio telescope outside the city. There are no modern computer displays. The observations arrive on enormous rolls of chart paper. Kilometres of it. Bell studies the paper manually. And buried among the markings she notices something unusual. A tiny piece of what she later called “scruff”. It keeps appearing in the same part of the sky.

So she goes back through earlier recordings. Eventually, on the 28th of November 1967, the signal appears clearly. Pulse. Pause. Pulse. Pause. Approximately every one and a third seconds. Extremely regular.

Bell and her supervisor Antony Hewish begin eliminating possibilities. Human radio interference. Equipment problems. Other terrestrial explanations. The signal tracks with the stars. At one point Bell jokingly uses the letters LGM. Little Green Men. Because when something behaves with almost clock-like regularity, intelligence is one possibility you have to consider.

Then another similar source appears elsewhere in the sky. And another. That changes everything.

They were not alien transmitters. They were pulsars. Rapidly rotating neutron stars producing pulses of radio energy. A completely new astrophysical phenomenon.

That discovery is one of the best examples of why unexplained evidence must remain unexplained until the evidence tells us otherwise. Bell did not fail to discover aliens. She succeeded in discovering something nature was doing that science did not yet understand.

And there is a lesson here that applies directly to UAP.

Unidentified is a description of our knowledge. It is not an identification.

Sometimes the correct answer is extraordinary. Sometimes the correct answer is a phenomenon nobody knew existed. And sometimes the correct answer is something completely ordinary viewed under unusual conditions. The scientific challenge is learning which one you have.

PART THREE — SETI IS CHANGING

For decades, the public image of SETI has remained almost frozen. A giant radio telescope points toward the stars. Scientists listen. Somewhere, perhaps, another civilisation transmits a message.

Radio SETI remains important. But modern searches for technological intelligence have expanded well beyond that picture.

Scientists increasingly use the term technosignature. A technosignature is potential observational evidence of technology. That could include radio emissions. Optical laser signals. Unusual atmospheric chemistry. Waste heat. Artificial structures. Or theoretically... physical material created by technology.

And in September 2026, researchers associated with the SETI Institute proposed searching for exactly that. Not on a distant exoplanet. On the Moon.

Their idea is surprisingly simple. Earth is active. Wind moves material. Water erodes landscapes. Plate tectonics constantly remodels the surface. Biology changes the environment. The Moon is different. Its surface can preserve material for enormous periods of time.

So the researchers asked: What if tiny engineered particles created somewhere else in the galaxy travelled through interstellar space? Could some survive? Could they eventually become incorporated into lunar soil? And if they did... could modern scientific instruments identify them?

The study proposes searching lunar regolith for microscopic engineered particles — possible technosignatures preserved over billions of years. The researchers combined models of interstellar transport, lunar geology, impact science and modern laboratory analysis. They estimate that examining roughly one cubic metre of lunar regolith could begin placing meaningful limits on how much durable artificial material technological civilisations might have produced over the history of the galaxy.

Now let's be very clear. They have not found alien technology on the Moon. No microscopic spacecraft has been discovered. No extraterrestrial artifact has been recovered. The paper proposes a testable search method. And at the time of this episode, the research has been released as a preprint and submitted for peer review.

But conceptually, it represents something fascinating. SETI does not necessarily require another civilisation to be alive right now. Imagine a civilisation existed five hundred million years ago. It transmitted no message toward Earth. It disappeared. But its technology produced durable material. Could some trace survive?

Perhaps the first evidence that another technological civilisation existed will not say hello. Perhaps it will simply say:

Someone was here.

And that gives us our second question.

What would convince you more — an intelligent radio message, or a physical artifact whose manufacture could not be explained naturally?

Because scientists are now developing ways to search for both.

PART FOUR — WHAT A NEGATIVE RESULT LOOKS LIKE

There is another SETI story from 2026 that received much less attention. And it may be just as important.

The interstellar object 3I/ATLAS passed through our Solar System. It came from beyond the Solar System, making it an obvious target for scientific interest. The SETI Institute used the Allen Telescope Array in Northern California to search for radio technosignatures associated with the object. More than seven hours of observations. Frequencies from approximately one to nine gigahertz. Around seventy-four million initial signal detections.

That sounds enormous. But most radio astronomy searches begin inside an environment filled with human-generated interference. Researchers filtered the detections. Millions became hundreds. The remaining candidates were investigated.

The result? No evidence of extraterrestrial technology. The remaining signals were traced to terrestrial interference.

That is important. Because good SETI is not a machine designed to produce aliens. It is a process designed to test whether evidence survives attempts to explain it. Finding nothing is not a failure. It establishes limits. It improves techniques. It teaches researchers how to distinguish the unusual from the artificial.

And that principle is about to bring us much closer to home. Because there is another place scientists are increasingly asking the same question. Not light-years away. Not buried in lunar soil.

Here. In Earth's atmosphere.

PART FIVE — AVI LOEB AND THE SCIENCE OF UAP

In June 2026, Harvard astrophysicist Avi Loeb publicly announced that he had been asked to assemble and lead a UAP Science Advisory Council.

According to Loeb's own account, the request involved the White House, the Pentagon's All-Domain Anomaly Resolution Office — AARO — the Office of the Director of National Intelligence, the FBI and other members of the U.S. intelligence community.

That attribution matters. Publicly available information about the council comes substantially from Loeb himself. So we should separate what he has publicly stated from what government agencies have independently released.

Loeb says the council brings together expertise in areas including astrophysics, instrumentation, artificial intelligence, data analysis and human psychology. Its purpose, as he describes it, is to improve the scientific treatment of UAP data.

That means focusing less on stories... and more on measurements.

What did a sensor detect? How was it calibrated? What was the viewing geometry? How far away was the object? Was apparent motion caused by the object or the camera? Was there radar? Infrared? Optical confirmation? Environmental information? Could another sensor observe the same event? Can the result be reproduced?

These questions can sound less exciting than claims of extraordinary craft. But this is where the subject either becomes science... or fails to.

A video without reliable distance may not tell you speed. An unusual shape may be an imaging artifact. A dramatic apparent manoeuvre may result from camera movement. Witness testimony can be valuable, but human perception has limits. And classified military sensors create another problem. The better the sensor, the more likely its exact capabilities may themselves be sensitive.

So serious UAP analysis faces an unusual tension. The public wants evidence. Science requires data. Government systems may hold some of the best data. And national security can restrict what gets released.

Loeb later said that council members met in person at the Office of the Director of National Intelligence on August 31. He has not publicly disclosed the contents of that meeting. And we should not invent what happened inside the room.

A meeting is evidence of a meeting. It is not evidence of recovered spacecraft. It is not evidence of extraterrestrial technology. It does, however, show that at least according to Loeb's public account, scientists are being invited into a formal conversation about how UAP evidence should be assessed.

And that is significant for a very simple reason. For decades, one of the biggest weaknesses in the UFO debate has been data quality. Science cannot solve that problem with belief. It solves it with better instruments.

PART SIX — WHERE SETI AND UAP ACTUALLY MEET

This is where we need to be careful.

SETI and UAP research are not the same field. SETI begins with a defined question. Can we detect evidence of technological intelligence beyond Earth? UAP research begins with observations that have not yet been identified. Most UAP reports do not require extraterrestrial explanations. They may involve aircraft. Balloons. Drones. Satellites. Astronomical objects. Atmospheric effects. Sensor artifacts. Or simply insufficient information.

But despite starting from different places, SETI and UAP science eventually encounter the same methodological challenge.

How do you recognise technology when you do not already know what produced the observation?

Imagine three scenarios. A radio telescope records a narrow-band signal from another star. A laboratory discovers an unusual microscopic particle in lunar soil. A military sensor records an object behaving in an apparently anomalous way.

Three very different observations. But the scientific sequence should look remarkably similar.

Detection. Verification. Independent confirmation. Alternative explanations. Measurement. Analysis. Then interpretation. Not the other way around.

And this may be the most important point in this entire episode.

The connection between these developments is not aliens.

It is methodology.

Science is slowly building better ways to determine when something extraordinary really is extraordinary.

PART SEVEN — THE AI PROBLEM

There is another reason this matters now. Artificial intelligence is changing what evidence looks like. Not eventually. Now.

An image can be generated in seconds. A voice can be cloned. Video can be manufactured. Documents can be fabricated. A convincing fake press conference can spread around the world before the organisation supposedly involved has even issued a denial.

The updated SETI guidelines explicitly recognise this information environment. Deepfakes. Automated misinformation. Instant global communication.

Imagine the first credible extraterrestrial signal appearing tomorrow. Within hours, there would probably be fake versions. Fake translations. Fake leaked government documents. Fake scientists explaining the signal. Fake politicians reacting to it. And inevitably... claims that the genuine evidence itself was fake.

The scientific challenge would therefore have two dimensions.

First: Is the evidence genuine?

Second: Can its authenticity be demonstrated convincingly enough that the public can distinguish it from the flood of synthetic material surrounding it?

That may turn out to be one of the defining problems of future discovery. The better humanity becomes at manufacturing convincing evidence... the harder extraordinary evidence becomes to authenticate.

So here's question number three.

In an age where almost any image, voice or video can be generated, what evidence would still be powerful enough to convince you?

PART EIGHT — ARE WE PREPARING FOR FIRST CONTACT?

So let's return to the question we began with. Are we preparing for first contact?

Not in the cinematic sense. There is no verified evidence that contact is imminent. No confirmed extraterrestrial signal is awaiting announcement. No scientific body has established that UAP represent non-human spacecraft.

But something is changing.

Scientists have updated procedures governing how potential evidence of extraterrestrial intelligence should be verified and communicated. Those procedures explicitly consider misinformation, artificial intelligence and international consultation.

SETI researchers are broadening the search from messages to technosignatures. Some are asking whether microscopic physical traces could survive in lunar soil. Others are examining interstellar objects for technological emissions — and publishing null results when nothing survives scrutiny.

And according to Avi Loeb's public account, scientists are now participating in an advisory process intended to bring more rigorous methods to government UAP analysis.

None of those developments proves contact. But taken together, they show something important. Humanity is developing tools for recognising extraordinary evidence if it ever appears.

Perhaps that is what preparation for first contact really looks like. Not sirens. Not emergency broadcasts. Not a spacecraft hovering over a capital city.

Protocols. Data. Instrumentation. Independent laboratories. Peer review. International consultation. And scientists repeatedly asking:

Can somebody else verify this?

CONCLUSION — KEY TAKEAWAYS

So here's what we know.

The viral story about China telling people not to respond to aliens had a real source... but a misleading interpretation. Chinese media were reporting an updated declaration from the International Academy of Astronautics. The guidelines apply to SETI researchers and reaffirm that no response should be sent to confirmed extraterrestrial intelligence before broad international consultation. They are not evidence that China detected aliens.

SETI itself is also changing. Scientists are searching for technological intelligence in increasingly diverse ways. Radio signals remain important. But researchers are also thinking about physical technosignatures, including microscopic engineered material that could theoretically be preserved in lunar soil.

Meanwhile, the search for technosignatures around 3I/ATLAS demonstrated what scientific discipline looks like when the answer is negative. Tens of millions of detections. Careful filtering. No extraterrestrial technology found.

And then there is UAP. Avi Loeb says he has assembled a scientific advisory council intended to bring greater scientific rigour to government analysis of unidentified anomalous phenomena. That does not connect UAP to extraterrestrial intelligence. But it does connect UAP to the same central problem facing SETI.

How do we separate extraordinary evidence from everything that can imitate it?

That is where these stories converge. Not in a conclusion. In a method.

And perhaps the day humanity discovers another technological intelligence will not begin with certainty. Perhaps it begins with a signal nobody understands. A microscopic particle that should not be there. An instrument recording something scientists cannot immediately explain. And somewhere... one person looks at the data and asks another person:

Can you see this too?

That may be the real beginning of first contact. Not believing. Not dismissing. Verifying.

I'm Matt Tones. This is UFO to UAP Explained. Investigating the unknown. Advancing the truth.

And before you go, here's the final question I want you to answer in the Spotify comments:

If humanity confirmed beyond reasonable scientific doubt that another technological civilisation exists, should we send a reply — and who should be allowed to make that decision for Earth?

I'll see you in the next episode.

PRODUCTION SOURCE NOTES — NOT SPOKEN

• International Academy of Astronautics / SETI post-detection protocols. The updated declaration is dated June 1, 2026. It was developed by the IAA SETI Committee during 2022–2025 and replaces the 2010 declaration. It requires rigorous verification of putative evidence and states that no reply should be sent pending international consultation through the United Nations and other broadly representative international bodies. The SETI Institute describes the revision as the first major update in more than 15 years and explicitly says it was designed for an information environment involving social media, AI-generated misinformation, deepfakes and twenty-four-hour news cycles.
• China story. Chinese outlet The Paper reported the IAA declaration on June 8, 2026 under the headline essentially translating as “Do not reply to aliens without authorisation/on your own.” Its report clearly attributes the guidance to the non-governmental International Academy of Astronautics and explains that any response should follow international consultation.
• Jocelyn Bell Burnell and pulsars. University of Cambridge records that Bell Burnell identified the repeating pulses on November 28, 1967 after earlier noticing the source in her chart recordings. Bell later explained that “LGM” — Little Green Men — was used jokingly for unexplained signals. The source became the first recognised pulsar.
• Lunar microscopic technosignatures. On September 8, 2026, the SETI Institute announced research proposing a quantitative framework for searching lunar regolith for microscopic engineered particles that might have travelled through interstellar space and become preserved over geological timescales. The researchers reported no evidence of extraterrestrial technology. The paper is a preprint submitted to the International Journal of Astrobiology and under peer review.
• 3I/ATLAS. The SETI Institute observed interstellar object 3I/ATLAS for more than seven hours with the Allen Telescope Array across approximately 1–9 GHz. Roughly 74 million initial detections were narrowed to about 200 candidates; all were ultimately attributed to human-generated radio interference. No evidence of extraterrestrial technology was found.
• Avi Loeb / UAP Science Advisory Council. Avi Loeb publicly announced in June 2026 that he had been tasked to assemble a UAP Science Advisory Council. Loeb states that the tasking involved the White House, AARO, ODNI, the FBI and other members of the U.S. intelligence community. This script carefully attributes those institutional claims to Loeb because the public record available for this episode substantially originates with his own announcement.