Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope.

SALT LAKE CITY, Feb.

NASA successfully conducted a drop test of the Orion crew vehicle's parachutes high above the Arizona desert Tuesday in preparation for its orbital flight test in 2014.

NASA said on Tuesday that it plans to add an unmanned flight test of the Orion spacecraft in 2014 to its contract with Lockheed Martin Space Systems.

Agency Moves to Implement Deep Space Exploration Plan WASHINGTON, Nov.