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

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...