Ares Super-chute NASA and U.S. Air Force test pilots have just dropped a 50,000-pound "dummy" rocket booster on the Arizona desert--and stopped it before it crashed. It's all part of NASA's plan to return to the Moon. + Read More + Listen to Story + en español
Gamma-ray Flare Star NASA spacecraft are monitoring blasts of gamma-ray energy from a star 30,000 light years away. Some of the flares have packed more total energy than the sun puts out in 20 years. + Read More + Listen to Story + en español
Solar Flare Surprise Solar flares are supposed to obliterate everything in their vicinity, yet one of the most powerful flares of the past 30 years has done just the opposite, emitting a beam of pure and unbroken hydrogen atoms. Researchers think this strange event could yield vital clues to the inner workings of solar flares. + Read More + Listen to Story + en español