The curious minds at What If explore what would happen if we found life on Jupiter's moon Europa.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Every second, hypervelocity collisions may be blasting tiny flecks of Earth into space. Some of those grains, small enough to ride sunlight against gravity across the Solar System, may once have ...

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements and Earth's unique environment make alien visits to Earth highly unlikely.

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Deep beneath the Atlantic, an alien-like lost city of towering chimneys offers clues to life on Earth and other worlds.