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

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

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

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, ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

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

ATLAS made its long-awaited nearest approach to Earth on Friday but just hurtled past, showing that the aliens who "sent" it just aren't interested in us, claims a Harvard space boffin ...

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.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Besides the original cult hit film, the sci-fi franchise Alien Nation also encompasses a TV series and several TV movies ...