From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Mysterious rocky exoplanet with cratered surface floating in front of a colorful cosmic nebula filled with glowing stars, ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

Venus and Mars may have once supported life. This video explores the evidence and theories surrounding the potential for life ...

On Friday, December 19, 2025, comet 3I/ATLAS will make its closest approach to Earth. 3I/ATLAS can be found near the ...