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 ...

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.

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

Add Yahoo as a preferred source to see more of our stories on Google. The Borg Queen in Star Trek: First Contact surrounded by Species 10-C and The Q Continuum - Static Media Across the expansive ...

A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears where no such object should exist, according to a study published in Science.

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.

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 ...

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

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...