This video explores the profound scientific and philosophical quest to discover intelligent extraterrestrial life, examining ...

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

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

For decades, scientists have scanned the stars for even the faintest whisper of intelligent life. Now, with fresh government ...

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 ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

A provocative theory circulating among artificial intelligence researchers suggests that once machines achieve human-level intelligence and beyond, they might create something entirely unexpected: a ...

A Catholic nun believes humanity is on the verge of a supernatural battle.