Electrons released when cosmic rays strike water-ice can provide energy for microbes and facilitate the formation of complex ...

BOULDER, Colorado - In the wake of the success if the Cassini mission to Saturn, there is overwhelming support for dispatching a spacecraft to Jupiter's moon, Europa - an ice-covered world that may ...

CAPE CANAVERAL, Fla. (AP) — A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Europa Clipper will peer beneath the moon’s icy ...

Looking for a sky event this week? Check out our full Sky This Week column. December 5: Mercury improving This evening brings ...

Steam poured from beneath the Falcon Heavy rocket, quickly followed by bright propulsion as it rose into the clear Florida sky Monday, launching its spacecraft on a more than five year journey to ...

The case for a giant plume of water vapor wafting from Jupiter's potentially life-supporting moon Europa just got a lot stronger. NASA's Hubble Space Telescope has spotted tantalizing signs of such a ...

Jupiter's mysterious moon Europa, famed for its role in 2001: A Space Odyssey, may soon host an intense search for life. The White House this week presented a 2016 U.S. budget that includes $30 ...