ScienceHow old is Earth's water? You'll be surprised The Earth could have been a wet water planet a hundred million years earlier than previously thought, researchers say. Findings could have implications for when life on our planet got started, they say.by Jim Algar
ScienceVirgin Galactic SpaceShipTwo crash a huge setback for commercial space travel: Richard Branson speaks outby Jim Algar
ScienceNASA discovers spot where LADEE smacked the moon: Here's how it could confirm crash siteby Aaron Mamiit
ScienceVirgin Galactic spaceship suffers 'anomaly' during flight, crashes. One pilot reported killed.by Jim Algar
ScienceMIT planetary scientist has bizarre plan of sending humans to Mars: Use asteroids as stepping stonesby Aaron Mamiit