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

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

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 ...

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

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

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