Image of the DayThe small open star cluster Pismis 24 lies in the core of the NGC 6357 nebula in Scorpius, about 8,000...SpaceX's Falcon 9 rocket and Dragon spacecraft lift off from Launch Complex-40 at Cape Canaveral Air Force Station, Fla., at...A sonic boom is caused by an object moving faster than sound. The shock waves created by the supersonic flight...Backdropped by a sunset, the Canadarm2 was operated by the crew of the International Space Station. The crew of space...Saturn's moon Atlas can be seen just above the center of this Cassini spacecraft image as it orbits in the...Originally released Aug. 1, 2007, this Mars Reconnaissance Orbiter image shows an ridge in Mars' Terra Meridiani that is most...Gary Sullivan demonstrated the use of a vacuum dry box and safety equipment in this April 1963 photo. The box...This view of grains from a sand dune near Christmas Lake, Ore., was taken by a test version of the...The dark rippled dunes of Mars' Proctor Crater likely formed more recently than the lighter rock forms they appear to...The Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin touches down...Harrat Khaybar, Saudi Arabia lies in the western half of the Arabian peninsula and contains not only large expanses of...A crescent Saturn appears nestled within encircling rings in this Cassini spacecraft image. Clouds swirl through the atmosphere of the...Participating in the STS-129 mission's first spacewalk in November 2009, astronauts Mike Foreman and Robert L. Satcher Jr. (out of...Students used LEGOs to 'Build the Future' at NASA's Kennedy Space Center in Cape Canaveral, Fla. on Wednesday, Nov. 3,...This image, taken on Nov. 10, 2010, aboard the IceBridge DC-8 flight mapping the Earth's polar regions, shows a Transantarctic...This unique, close-up view of the X-38 under the wing of NASA's B-52 mothership prior to launch of the lifting-body...Originally released May 30, 2007, this image is centered on a small cone on the side of one of Mars'...The DC-8 pilots on NASA's IceBridge mission point out the narrow Antarctic time zones on the navigation map. IceBridge, a...Originally released Aug. 1, 2007, this image is of Mars' Russell Crater dune field, which is covered seasonally by carbon..."The 'Cupola', attached to the nadir side of the space station, gives a panoramic view of our beautiful planet," said...In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust. The star...At NASA's Kennedy Space Center in Florida, space shuttle Discovery waits on Launch Pad 39A on Nov. 5, 2010 for...From 220 miles above Earth, the Expedition 25 crew aboard the International Space Station shot this night time image of...Xenon lights illuminate space shuttle Discovery on Launch Pad 39A following the retraction of the rotating service structure. The structure...Robonaut 2, a dexterous, humanoid astronaut helper, will fly to the International Space Station aboard space shuttle Discovery on the...This image of space shuttle Discovery was taken as the craft began its nighttime trek, known as "rollout," from the...Attired in training versions of their shuttle launch and entry suits, STS-133 commander Steve Lindsey, pilot Eric Boe (background), and...NASA's Wide-field Infrared Survey Explorer, or WISE, captured this colorful image of the reflection nebula IRAS 12116-6001. This cloud of...This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA's Swift spacecraft. It is the...This artist's impression shows how the Arches star cluster appears from deep inside the hub of our Milky Way Galaxy....Wispy clouds are illuminated by a bright quarter moon behind the tail of NASA's Stratospheric Observatory for Infrared Astronomy, or...At NASA's Kennedy Space Center in Florida, the STS-133 crew takes a break from a simulated launch countdown to ham...Fast-growing sunspot 1112 is crackling with solar flares. So far, none of the blasts has hurled a substantial CME, or...On Oct. 7, 2010, NASA's Solar Dynamics Observatory, or SDO, observed its first lunar transit when the new moon passed...The Ouachita Mountains in southeastern Oklahoma are part of the only major mountain region between the Rockies and the Appalachians....Found among the Small Magellanic Cloud's clusters and nebulae NGC 346 is a star-forming region about 200 light-years across, pictured...Like brush strokes on a canvas, ridges of color seem to flow across the Lagoon Nebula, a canvas nearly 3...At NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey speaks to the media gathered at the Shuttle Landing...On Oct. 4, 2010, an accident occurred at the Ajkai Timföldgyar alumina (aluminum oxide) plant in western Hungary, when a...President Barack Obama signs the National Aeronautics and Space Administration Authorization Act of 2010 in the Oval Office, Monday, Oct....
