Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that ...

Harvard astrophysicist Avi Loeb has been claiming a comet called 3I/ATLAS is actually an alien spaceship sent to probe our solar system. The Manhattan-sized object passed Earth earlier this month ...

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

Comet 3I/ATLAS is drawing unusual attention because it doesn't behave the way most comets do in photographs and time-series ...

When interstellar object 3I/ATLAS was scanned for alien technology, scientists ran the most sensitive search ever attempted.

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

After nine films, including sequels, prequels and spinoffs, and now Hulu’s Alien: Earth, the Alien franchise continues to ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

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

Seth Rogen voices a pot-smoking alien in this underrated 2011 sci-fi comedy. Join Simon Pegg and Nick Frost on a chaotic road ...

But on a smaller scale, three additional and mysteriously symmetrical jets become apparent in the Hubble observations, which ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...