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

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

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

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

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

The deep ocean is home to one of the strangest phenomena on Earth: bioluminescence. Scientists estimate that more than 75% of ...

The small alien bus driver character in DC's Supergirl film has a very distinct voice. Here's who plays that character and ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...