Scientists have found traces of water in dust grains from the peanut-shaped asteroid Itokawa, and the discovery could shed light on how Earth got its water. Researchers at Arizona State University ...

Editor’s Note: Sign up for CNN’s Meanwhile in China newsletter which explores what you need to know about the country’s rise and how it impacts the world. Hong Kong CNN — As Chinese scientists ...

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 ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...