NASA Finally Reveals Long-Awaited 3I/ATLAS Images—There’s Still No Sign of Aliens

Micah Hanks·
3I/ATLAS
3I/ATLAS as seen from the Mars Reconnaissance Orbiter’s HiRISE camera (Credit: NASA/JPL-Caltech/University of ArizonaNASA/JPL-Caltech/University of Arizona)

Welcome to this edition of The Intelligence Brief… This week, NASA finally released long-awaited images of the interstellar object 3I/ATLAS, following weeks of silence during the record-long U.S. government shutdown that fueled speculation about what the agency might be withholding. In our analysis, we’ll examine 1) NASA’s newly unveiled imagery of the comet gathered during its October flyby of Mars, 2) the agency’s direct response to growing rumors that the object exhibits signs of extraterrestrial technology, 3) the unusual scientific characteristics that make 3I/ATLAS unlike typical solar-system comets, and 4) why, despite these anomalies, experts say the evidence still points to a natural interstellar visitor rather than anything artificial.

Quote of the Week

“This Object is a Comet.”

– NASA Associate Administrator Amit Kshatriya

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NASA Unveils New Images of Interstellar Comet 3I/ATLAS

“I’d like to address the rumors right at the beginning,” said NASA’s associate administrator Amit Kshatriya on Wednesday, early in a televised briefing on what has become one of the hottest science topics of 2025: the mysterious interstellar object 3I/ATLAS.

The rumors Kshatriya had been referring to, of course, involve theories that the object in question has displayed signs that it may be more than what most astronomers have concluded it to be: an interstellar comet—and a rather large one—which has some slightly unusual characteristics.

“This object is a comet,” Kshatriya said in agreement with the abundance of current evidence that astronomers have collected since the object’s discovery back in early July. “It looks and behaves like a comet.”

New 3I/ATLAS Images Are Revealed

The NASA briefing featured long-awaited imagery of 3I/ATLAS, obtained by NASA spacecraft during the object’s closest approach to Mars in October.

However, the object’s visit to the Red Planet couldn’t have happened at a more inopportune moment, as it occurred near the beginning of what is now recognized as the longest U.S. government shutdown in history, effectively silencing the American space agency for weeks. The radio silence not only kept the public in suspense over new data; at times, it also inadvertently fed conspiracy theories about what NASA might have been hiding.

This all changed on Wednesday, as NASA made an event out of the release of the new images collected using the HiRISE camera on board the Mars Reconnaissance Orbiter (MRO).

The long-awaited images, needless to say, left much to be desired, revealing little more than a smudge of light as the comet sped past the Red Planet, photographed using a camera that obtains excellent images of the Martian surface, but which is slightly less useful when it comes to capturing high-quality images of celestial objects beyond the Martian atmosphere.

If It Acts Like a Comet, It Probably Is a Comet

However, the recent NASA press conference aimed to do more than just show off a series of rather unremarkable images of an interstellar comet—especially since the agency’s James Webb Space Telescope, and many other observatories around the world and in space, have already captured much better imagery of 3I/ATLAS.

Unsurprisingly, what turned out to be a significant focus of Wednesday’s press conference was addressing assertions that the comet may have displayed technosignatures suggesting it is alien technology.

“We haven’t seen any technosignatures,” affirmed Nicola Fox, associate administrator for the agency’s science mission directorate, answering a question called in during a portion of the press conference.

“It definitely looks like a comet,” said Alfred McEwen, former principal investigator for the MRO’s HiRISE instrument, who added that the blurry image showed a bright nucleus surrounded by a diffuse gaseous coma, which “doesn’t look like a spacecraft.”

An Anomalous Comet

To be clear, 3I/ATLAS does display several characteristics that set it apart from typical solar-system comets. Among these, Tom Statler, NASA’s lead scientist for solar system small bodies, noted its unusual carbon-dioxide–to-water ratio, as well as the atypical distribution of nickel relative to iron that it possesses, both of which are components that have been addressed in multiple scientific papers in recent weeks.

Light reflected off the dust shed by the comet also appeared unusual, according to Statler, though not in a way that implied it was artificial. “It’s different—and yet it’s still coffee,” he added, comparing the comet’s variations to trying a new regional brew.

Those differences the comet exhibits from other varieties of cosmic brew have been enough to convince a few scientists that there could be more to the 3I/ATLAS puzzle. Harvard theoretical physicist Avi Loeb has primarily led that charge, pointing to at least a dozen anomalies which, he says, at least suggest the object could possess characteristics some scientists would expect from an intelligently controlled spacecraft.

The Ongoing Adventures of an Interstellar Object

Speaking at Wednesday’s NASA event, Kshatriya said that perhaps more than anything else, 3I/ATLAS has “expanded people’s brains to think about how magical the universe could be,” though underscoring that science continues to favor natural explanations.

Presently, all of the anomalies 3I/ATLAS has exhibited, while strange, still can be interpreted as the natural activities one might expect from an object that has spent untold amounts of time drifting through interstellar space.

Although little of the new imagery or data presented on Wednesday has significantly changed the ongoing discussion about the third confirmed interstellar visitor, more observations are expected in the months ahead. 3I/ATLAS will make its closest approach to Earth on December 19, bringing it to within around 170 million miles of Earth, and next spring, NASA’s Juno spacecraft may also be in an ideal position to capture additional views as the comet passes through the Jupiter system.

Despite the lack of clarity in the recently released NASA images, the interstellar object remains fascinating to the public, though one thing is abundantly clear: there are still no signs of aliens.

That concludes this week’s installment of The Intelligence Brief. You can read past editions of our newsletter at our website, or if you found this installment online, don’t forget to subscribe and get future email editions from us here. Also, if you have a tip or other information you’d like to send along directly to me, you can email me at micah [@] thedebrief [dot] org, or reach me on X: @MicahHanks.

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