Science fiction often imagines alien civilizations so advanced they seem like gods, with powers that look supernatural to anyone beneath them. But this episode asks a darker and more fascinating ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

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

Craig Gillespie’s far-out adventure is something of a quirky oddity compared to bigger blockbuster outings – so why is it failing to fly at the box office?

President Donald Trump’s plan to “fill the digital potholes” and use AI to quickly redesign every government website isn’t ...