SpaceX founder Elon Musk is dating musician Grimes, apparently because of a shared love of nerdy puns.
Researchers use a cosmic gorilla to uncover the dangers of inattention in the search for alien life.
One of the biggest dips in the brightness of Tabby's star points to a possible source for its dusty light-blocker.
Minerals locked in clays burnt by ancient African farmers reveal the history of Earth's magnetic field.
The photos don't look like much: blurry green splotches against pixelated blue. But they're arguably among the most amazing photographic images ever.
It's an extreme version of trash into treasure: New research finds that microbes can transform poop into fuel for edible bacteria.
In a new episode of "Favorite Places," Hawking wonders if humans will understand existence before destroying themselves.
A conference aimed at disputing the idea that the world is round just wrapped up in North Carolina. Here's what they talked about.
Area 51. The name conjures an aura of secrecy, mystery, and of course, extraterrestrial happenings. Here's a look at some of the strangest facts about the spot.
Humans are causing the globe to heat up, with dire consequences, according to a climate report from the Trump administration.