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

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...

For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each ...

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

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 identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

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 ...