Some people treat the idea of aliens as nonsense, but scientists actually believe that the notion we're alone in the entire ...

Strange radio signals have been detected from the direction of K2-155 d, about 238 light-years away. Here's what it could mean.

The aliens were next door, and somebody killed them. That’s the story plasma physicist John Brandenburg, PhD, tells about ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

An image of Mars taken by NASA has sparked theories that the agency captured ruins of a lost civilization on the Red Planet.

Stranger Things, Misfits, Futurama, Fallout, Firefly, and more make up our list of the most fun sci-fi shows of all time.

A new Star Wars adventure, a spooky romp with monsters and ghouls, and a brutal superhero show are among the 5 best animated ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...

Perhaps what remains at the end of an advanced civilization is not biological, but artificial intelligence...There are ...

From the Star Wars spin-off The Mandalorian to the classic series Star Trek: The Next Generation, these are the best sci-fi ...

Last time, I wrote that when counting 243 space entertainment works from 1865 to 2026, war stories and work stories were ...