Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

Scientists have found evidence of enough liquid water on Mars to cover the entire planet with an ocean a mile deep, according to new research published Monday, and which scientists said could, in ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, detecting in an alien ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...

Finding alien life won’t be as dramatic as a flying saucer landing on the White House lawn – it’ll be NASA scientists holding a press conference to excitedly show off a chart that’s incomprehensible ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. What if we dropped the "terrestrial" from "extraterrestrial"? Scientists recently explored the ...