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, ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

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

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

'Do all aliens really need sunlight?' ...

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

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of a theoretical planet orbiting a redder star, which could cause microbes and plants on the planet's ...

The northern ice ap of Mars seen from space - NASA/JPL-Caltech/MSSS Humanity has dreamed about discovering life on alien planets for as long as we have dreamed about visiting other worlds. Since Mars ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

Alien world exploration reveals a dramatic planet covered in glowing molten surfaces and thick storm clouds in deep space. The visuals suggest extreme heat, violent atmospheres, and conditions far ...