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 ...

Knowing up and down seems key for sperm to reach an egg.

In 'Project Hail Mary,' a human and an alien figure out how to cooperate across space. In real life, we can't see that fellow ...

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 ...

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 ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

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

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

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is.