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 ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

The scientific search for extraterrestrial life is almost entirely focused on biosignatures, radio signals, and microbial ...

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

Ancient scrolls, carbonized by Mount Vesuvius's eruption, are now being read thanks to cutting-edge technology. Scientists ...

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

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

A new study conducted by researchers at the SETI Institute suggests that space weather conditions around stars could be ...

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

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...