But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

One group of experts now say that looking for life on water and oxygen-rich planets could be a waste of time.

Turns out evidence of alien life might well have been discovered much closer to home.

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

When the James Webb Space Telescope detected potential biosignatures in the atmosphere of K2-18 b last year, the discovery sparked intense debate. Here was a sub-Neptune exoplanet 124 light years away ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...