Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

A new documentary is causing a stir by asserting the presence of alien life on Earth and claiming a US government effort to ...

Exoplanets may harbor alien life; scientists seek biosignatures through advanced exploration. Could they lead to humanity's ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

The search for alien life is one of the most captivating scientific quests of our time. With the discovery of thousands of ...

Although the movie’s participants refuse to disclose classified information, some of their statements elicited “audible gasps ...

A chemical found in the atmosphere around an exoplanet that leads researchers to believe the planet may harbor life is called ...

In the search for extraterrestrial life, water worlds have become the focus of research. Now there is a recommendation on ...

A new documentary claims to reveal evidence of alien existence on Earth and explores the government's role in keeping it ...