What does water look like in space? In one word: cool. Check out the latest video from NASA where three astronauts play around with a water bubble they've grown inside the International Space Station.

A new study captured never-before-seen footage of hydrogen and oxygen atoms combining to form a miniature water droplet out of "thin air." The newly improved reaction could one day help astronauts ...

For the first time ever, researchers have witnessed — in real time and at the molecular-scale — hydrogen and oxygen atoms merge to form tiny, nano-sized bubbles of water. The event occurred as part of ...