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.

When you're waiting for a pot of water to heat up on the stove, tiny bubbles are the first sign it's getting ready to boil. As the water gets hotter, the bubbles get bigger, until a rolling boil ...

Even blowing bubbles in water is cooler in space. NASA astronaut Jack Fischer showed off a cool experiment aboard the International Space Station where he blew a large water bubble that covered his ...

In a quiet lab at Northwestern University, a team of scientists peered into a high-powered microscope, holding their breath. What they saw was something no human had ever witnessed: the moment ...

Palladium, a rare metallic element, can rapidly generate water from hydrogen and oxygen. Researchers witnessed this process at the nanoscale for the first time with an electron microscope. By viewing ...