Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

The SYFY miniseries Childhood's End, based on Arthur C. Clarke's alien invasion novel, has an ending that you won't be able ...

Most starships in Star Trek are able to travel across the galaxy at faster-than-light speeds through the use of warp drives ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

These three sci-fi movies were set in 2026. Were their narratives' events prescient or were they way off base?