April 24, 2013 Mesmerizing. Dazzling. Gorgeous. Pick your word. NASA's collection of images taken of the sun over the course of three years is getting rave reviews.
March 15, 2013 Scientists say the discovery of more carbon than oxygen and no methane in the atmosphere of a gas giant favors one theory of solar system formation.
March 11, 2013 Criticism over a study's findings has not deterred researchers from saying their work may represent one of the biggest scientific breakthroughs in hundreds of years: "fossilized biological structures" in a meteorite.
February 20, 2013 Satellites help track storms, power the GPS signals in our cars and phones and beam TV signals around the world. But they also send back striking, totally disarming images of planet Earth.
January 28, 2013 The nation's official media reports the primate was sent up about 75 miles. It reportedly survived the trip. Iran says it's aiming to launch a manned mission in five to eight years. Other nations are concerned that the program is really aimed at developing long-range missiles.
December 13, 2012 Commercial space travel is becoming a reality. Now people who have longed to go into space can buy a ticket, if they've got the cash. But are they healthy enough to make the voyage?
October 16, 2012 Astronomers have finally discovered a planet orbiting Alpha Centauri, the nearest star to the Sun. At a mere 4.4 light years away, scientists have long hoped that a planet would be found around this closest of stellar neighbors.