The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Prime Video’s next sci-fi series The Captive War aims bigger than The Expanse, shifting focus to alien empires and humanity’s ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

The scientific wonderers at What If investigate a newly found world in a faraway star system that might actually have the right ingredients for life.

A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears ...

"I sure married the right guy," the 'Charlie's Angels' star tells PEOPLE ...

Star Wars used to be the end-all, be-all in space sci-fi, but in the years since the original trilogy, others have rushed in ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Voyager" is one of the most complicated, comprised of a blended crew of Starfleet and other factions. It was just as tough to ...

Alan Tudyk's 4-part sci-fi saga is making a comeback with a new project, giving fans some closure after last year's sudden ...