Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Top astrophysicist Avi Loeb said the rare alignment will provide a unique chance for scientists to inspect the mystery object ...

The US space agency NASA has released a new image of the interstellar object 3I/ATLAS that has cast doubt on existing models of comet behavior. This was reported by researchers from the All Day ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal alloys. Could it be a 'Trojan horse'?

NASA has formally concluded that 3I/ATLAS, the third confirmed interstellar object ever detected passing through the solar ...

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

In the vast, silent expanse of our solar system, a new visitor has sparked a familiar question: are we truly alone? For those ...

Scientists scanned interstellar Comet 3I/ATLAS for alien signals using powerful radio telescopes, found nothing artificial, ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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, ...

For one, it came down to timing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It came from outer space. Interstellar space, to be precise.