Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The gas giant WASP-18b, ...

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

The big picture: Nearly 6,000 exoplanets have now been confirmed in the vast expanse of the Milky Way galaxy. Some are believed to have the potential to harbor life, while others are so hostile that ...

Scientists believe they have discovered the strongest signs yet of alien life on a distant ocean-covered planet far beyond our solar system. The possible landmark discovery was made by scientists ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...

GAINESVILLE, Fla. — With powerful instruments scouring the heavens, astronomers have found more than 240 planets in the past two decades, none likely to support Earth-like life. But what if aliens ...

Could alien life be hiding just 120 light-years away? That’s the question raised by a new study led by Professor Nikku Madhusudhan of the University of Cambridge’s Institute of Astronomy. Published on ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...