May 5, 2006Entrepreneurs are invited to build spacecraft that can simulate landing on the moon, in a $2.5 million contest hosted by the agency and X Prize. TAGS:moon, spacecraft, contest, vehicle, agency, winner, challenge
August 2, 2007Space agency says it's making great progress on the successor to the space shuttle, which could ultimately take astronauts back to the moon. Images: Orion prepares for moon landingTAGS:spacecraft, moon, shuttle, craft, crew, material, vehicle, progress, agency
April 13, 2006In the 25 years, the space shuttle program has made 114 trips. Its successor has much loftier goals. Photos: Putting the shuttle to the test Video: See one of the world's most powerful supercom...TAGS:supercomputer, flight, shuttle, moon, tunnel, supercomputing, successor, vehicle, video