In an extraordinary astronomical event, the Chinese Mars orbiter Tianwen-1 has captured the first close-up images of Comet 3I/Atlas as it made a close flyby of the Red Planet in October 2025. The ...

The comet 3I/ATLAS, the third confirmed object to fly into our solar system from interstellar space, has behaved in unexpected ways since it was first detected on July 1 this year, fuelling scientific ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh of relief. Echoing what NASA officials have long said, a team of ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Add Yahoo as a preferred source to see more of our stories on Google. A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And ...

Is it a comet or an alien spaceship? That’s the question that many have been asking ever since a large object — one that originated somewhere far, far away — was spotted in our solar system earlier ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from one of our Milky Way galaxy's most ancient stars, one that formed long before ...

The interstellar object 3I/ATLAS has become a subject of significant discussion as scientists and enthusiasts debate whether it is an interstellar comet or something far more unusual. Growing ...

The Gemini South telescope in Chile captured interstellar comet 3I/ATLAS racing through the solar system on 27 August. (Image: International Gemini Observatory ...