ScienceNASA completes largest survey of dusty debris surrounding stars Giant disks of dust around distant stars may be evidence of unseen planets, astronomers say. Hubble completes high-resolution survey of such dusty cosmic rings.by Jim Algar
ScienceWhat's it like working on Mars? Curiosity rover finds mineral and scientist speaks outby Jim Algar
ScienceGreat balls of fire seen in US and Japan. Superman? Aliens? Or just meteors? [Videos]by Sumit Passary
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SpaceWhat really caused Virgin Galactic SpaceShipTwo to crash during test flight? Here are some theoriesby Rhodi Lee
First Look at Nintendo's Live-Action 'The Legend of Zelda' Movie Starring Bo Bragason and Benjamin Evan Ainsworth