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 ...

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

A Harvard astronomer, known for his provocative theories regarding extraterrestrial visits, has been selected by the White ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

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

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

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

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

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