Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

The mission is still in the early stages of its conception, with contracts given recently to firms.

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

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

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

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

This video explores the uncomfortable possibility that the biggest obstacle in finding alien life is not distance, but ...

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

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

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 ...

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