Avi Loeb, Harvard astrophysicist known for bold alien theories, will lead a Trump administration-backed team investigating UFOs and their security risks.

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

A midyear roundup of 2026 movies centering sex, intimacy, kink, sex work, and taboo, from 'Pillion' and 'Blue Film' to 'I Want Your Sex.' ...

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an answer as publicly or as controversially as Harvard astrophysicist Avi Loeb ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed," according to the European Southern Observatory. Credit: ESO Trump admin ...

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...