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 ...

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.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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 ...

"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling ...

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 ...