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 rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The Pentagon just released what they're calling never before seen UFO files, including videos, images, and original documents ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in the modern information age. Reading time 4 minutes The moment of first ...