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

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

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

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 ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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 ...

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

AFTER years of writing about politics, technology and the chaos of the modern world, Matt Bellamy wanted something different ...

A published report says a U.S. fighter pilot whose aircraft was downed in Iran earlier this year shared a startling account ...