A massive extraterrestrial craft slamming into the Pacific and triggering a United States Navy response sounds like a ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

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

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

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

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

We humans are a curious bunch. Whenever we come across something unfamiliar, our minds naturally start filling in the blanks about what it could be. That’s exactly what’s happening with comet 3I/ATLAS ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...