Earth's surface teems with quartz. But on a giant world 1,300 light-years away, quartz zips through the planet's clouds. "We were thrilled!" David Grant, a scientist at the University of Bristol who ...

These dust particles, finer than sand grains, originate from cometary tails and asteroid collisions, posing unseen risks to ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...