The story claims a hidden underground base where aliens and humans work together—featuring human experiments, strange cattle ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how ...

The Marvel Universe wouldn't be as large and expansive without the alien worlds that populate it. All sorts of alien races exist, from the humanoid to incomprehensible creatures. Originally introduced ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...

As the science fiction author publishes the latest novel in his Children of Time series, Children of Strife, he talks to ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

From Calle’s habitat, known as MDRS, the cotton candy sky against the red rocks of the Western United States “felt like Mars, ...

Ripple and Stellar founder Jed McCaleb wants to build AGI by studying how the brain learns—then translating those rules into ...