This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which lie within the star’s habitable zone. In the foreground is TRAPPIST-1 b, ...

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 ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Water may not be essential to support life, and an entirely different type of liquid could do the same in alien worlds, a new study claims. Until now, water has been considered a requirement for life ...

A "super-Earth" 1400 light years away has emerged as the exoplanet most likely of any known to support alien life. Kepler 452b, discovered in 2015, lies in the middle of a newly identified ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Scientists hunting for life beyond Earth have long thought that water is one of the key indicators. But a group of experts now says that looking for life on water–rich planets could be a waste of time ...

It's one of life's biggest questions – are we alone in the universe? Now, in good news for sci–fi fans, one of Britain's top space scientists has declared she is 'absolutely convinced' there are ...