The National Aeronautics and Space Administration
The National Aeronautics and Space Administration is responsible for the U.S. space program, including space travel, research and military aerospace programs. The agency was established in 1958.
10:48 AM ET The new possible spacepeople were chosen from a pool of over 6,000 applicants
May 31 It's not just the cost -- there's a big technical problem to solve.
May 31 Something to make you feel better about those library books you still haven't returned
May 30 It involves gyroscopes and better jetpacks.
May 29 Smiles on the faces of all the astronauts last night as they boarded the International Space Station
May 28 The story of the scientists and artists who have given us our most beautiful pictures of space
May 21 A meditation on the diversity of Earth.
May 17 Another victory for Opportunity, the spunky little rover driving on Mars
May 3 The Kepler spacecraft started its mission from Florida in 2009, but the it may not last much longer.
May 1 Blaming budget cuts, the U.S. space agency has inked a deal for Roscosmos to ferry six astronauts to the International Space Station.
April 4 It sits on the Red Planet, flapping hauntingly in the wind.
March 20 Behold: "One of the whitest things" we've seen on the Red Planet
March 12 NASA's Mars Curiosity rover drilled into a rock and found that it contained a clay-like material.
December 11, 2012 NASA captures, quite literally, gravity's rainbow.
October 31, 2012 "We have the same laws of chemistry, physics. If there are any locations where there are the basic ingredients, there should be the basic ingredients for life."
October 24, 2012 A fleet of vehicles ready to explore lunar and Martian terrains
August 22, 2012 Planned for 2016, NASA's next mission to Mars will examine the planet's geophysics.
August 6, 2012 There are reasons the space agency is so popular on the Internet.
August 6, 2012 SpaceX won a NASA contract worth $440 million to develop the next generation of space transportation vehicles.
July 31, 2012 Rover will inspect Mars' environment for minerals, gases and water.