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.

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a ...

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

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 ...

After years of discovering exoplanets at a staggering pace, astronomers are now starting to distinguish the simply interesting from the truly promising. A new study highlights a select group of rocky ...

For many years, scientists looking for signs of alien life have mainly focused on finding planets that have water. Water has often been considered a key element needed for life to exist. However, some ...

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. Now astronomers have suggested 45 of them that could support life, including famous examples such as Proxima Centauri b, ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...