How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

With tons of "Star Trek" alien races depicted over the decades, consistency is a tall order. And in the case of these aliens, ...

With the third Avatar film now in theaters, here are some other great sci-fi movies that give James Cameron and Co. a run for their money.

This year, the staff at the Center for a New American Security dove into researching some of the most pressing and ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

(L-R) Bucky Barnes (Sebastian Stan), Ghost (Hannah John-Kamen), Yelena Belova (Florence Pugh), John Walker (Wyatt Russell), ...

Avatar’s sequels focus heavily on human family drama, sidelining Pandora’s unique world. This shift risks erasing the ...

It's clear that Forest 3 is taking much bigger risks than its two predecessors, and while it's shocking, it's also the right call.