Image of the DayThe space shuttle Discovery is poised for liftoff on the STS-128 mission from Pad 39a at the Kennedy Space Center...The Lunar Electric Rover (now Space Exploration Vehicle or SEV) is being tested at NASA Johnson Space Center's planetary analog...This image of the Cat's Eye Nebula was made by combining data from two of NASA's Great Observatories-Chandra and the...Technicians carefully position an Orion flight test crew module to be airlifted from NASA's Dryden Flight Research Center to the...Today, Aug. 18, 2009, marks the Mars Exploration Rover Spirit's 2,000th sol, or Martian day, on the Red Planet. This...A successful NASA flight test on Monday, Aug. 17, demonstrated how a spacecraft returning to Earth can use an inflatable...This 1963 model depicts an early Apollo lunar lander concept, called a "bug." Engineers designed several possible vehicle shapes for...Standing tall at its fully assembled height of 327 feet, the Ares I-X is one of the largest rockets ever...Cepheus B, a molecular cloud located in our Milky Galaxy about 2,400 light years from the Earth, provides an excellent...In this simulated image of Saturn's rings, color is used to present information about ring particle sizes in different regions...NASA's Spitzer Space Telescope has imaged a wild creature of the dark - a coiled galaxy with an eye-like object...The U.S. Air Force's F-16D Automatic Collision Avoidance Technology (ACAT) aircraft takes off from Edwards Air Force Base on a...A white-hot flame surrounded by red hot exhaust shoots from a recent test of the J-2X engine 'workhorse' gas generator...Rollout of space shuttle Discovery was slow-going due to the onset of lightning in the area of Launch Pad 39A...The center of our Milky Way Galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring...The Mars Exploration Rover Opportunity has eyed an oddly shaped, dark rock, which may be a meteorite and is about...Layers of Earth's atmosphere, brightly colored as the sun sets, are featured in this image taken by the STS-127 crew...Endeavour kicked up dust as it touches down on Runway 15 at NASA's Kennedy Space Center in Florida to complete...This image, taken during the fifth and final spacewalk of the STS-127 mission, is of one of the International Space...Backdropped by a blue and white Earth, this image taken by the Expedition 20 crew shows Endeavour shortly after the...During Monday's 4-hour, 54-minute spacewalk, astronauts Tom Marshburn (left) and Christopher Cassidy secured multi-layer insulation around the Special Purpose Dexterous...Seen in the mirrored helmet visor of astronaut Christopher Cassidy is astronaut Tom Marshburn on the STS-127 mission's fourth spacewalk....This image shows the Japanese Experiment Module - Exposed Facility as it looks from inside Kibo. The Japanese Experiment Module,...Astronaut Christopher Cassidy, pictured during the Endeavour crew's third spacewalk, works near the Japanese Exposed Facility (JEF). Astronaut Dave Wolf,...Astronaut Tom Marshburn performs his first spacewalk and the Endeavour crew's second of the five scheduled for the STS-127 mission....Astronaut Tom Marshburn performs his first spacewalk and the STS-127 crew's second of the five scheduled to continue work on...In this one of a series of digital still images, astronaut Dave Wolf performs his second spacewalk, which is also...Astronaut Tim Kopra worked to prepare the berthing mechanisms on the Kibo laboratory and the Japanese Exposed Facility (JEF) for...Endeavour photographed as it performs a backflip, officially known as the Rendezvous Pitch Maneuver, shortly before docking with the International...On the eve of the fortieth anniversary of Apollo 11, humanity's first landing on the moon, Apollo 11 crew members,...Canadian Space Agency astronaut Julie Payette, STS-127 mission specialist, looks through an overhead window while operating controls on the aft...Mike Simons, Director of the National Electronic Museum in Baltimore, Md., assembles an Apollo TV camera for display prior to...Adjacent to the Kennedy Space Center thousands of spectators camped out on beaches and roads to watch the launch of...Under a cloud-washed sky, spectators watch as space shuttle Endeavour rises majestically from Launch Pad 39A at NASA's Kennedy Space...A full-scale Orion model was recently developed for antenna performance testing at the Johnson Space Center in an anechoic chamber....A Saturn I booster model is set up for testing in NASA Lewis (now Glenn) Research Center's Supersonic Wind Tunnel...NASA's Glenn Research Center dedicated a model of the hybrid wing body, a futuristic aircraft concept, on July 8, 2009....Stephan's Quintet provides a rare opportunity to observe a galaxy group in the process of evolving from an X-ray faint...NASA successfully demonstrated an alternate system for future astronauts. The launch of the Max Launch Abort System, or MLAS, took...Charles Bolden, nominee for administrator of NASA, left, and Lori Garver, nominee for deputy administrator of NASA, testify at their...
