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

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

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

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

In 1944, 29 reindeer were introduced to St. Matthew Island for emergency food. Without predators, the herd exploded to 6,000.

New research suggests sperm whales communicate in a complex language of their own. The implications for animal rights could ...

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

“Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Filmmaker Ram Madhvani and former NASA engineer Nimisha Mittal recently engaged in a fun and insightful conversation on alien ...