The announcement, on Holy Thursday, of the discovery of the strongest evidence to date of activity produced by living beings outside the Solar System caused as much anticipation as controversy. The ...

The Clone X collection was only gone for a few hours, but the disappearance raised some rather pointed questions.

Does alien life exist on an exoplanet? On TikTok, a University of Oxford astrophysicist cast doubt that extraterrestrial life may exist on K2-18b.