Image of the DayThis artist's animation illustrates a massive asteroid belt in orbit around a star the same age and size as our...This new image from the Solar Dynamics Observatory's Atmospheric Imaging Assembly (AIA) shows in great detail a solar prominence taken...NASA's Aqua satellite captured this image of the Gulf of Mexico on April 25, 2010 using its Moderate Resolution Imaging...NASA Administrator Charles Bolden and U.S. Environmental Protection Agency Administrator Lisa P. Jackson signed a Memorandum of Agreement today to...This new Hubble photo is but a small portion of one of the largest seen star-birth regions in the galaxy,...High above the African continent, tall, dense cumulonimbus clouds, meaning 'column rain' in Latin, are the result of atmospheric instability....As the shuttle and the space station began their post-undocking relative separation, Expedition 23 flight engineer Soichi Noguchi photographed the...This other worldly landscape is actually Dagze Co, one of many inland lakes in Tibet. In glacial times, the region...The space shuttle Discovery is seen as it lands at the Kennedy Space Center in Cape Canaveral, Florida, Tuesday, April...The STS-131 crew snapped this image as space shuttle Discovery remained docked with the International Space Station. The Leonardo Multi-Purpose...The crews of STS-131 and Expedition 23 gathered for a group portrait in the Kibo laboratory of the International Space...President Barack Obama waves hello as he exits of Air Force One along with Senator Bill Nelson after landing at...President Barack Obama, left, exits of Air Force One with, from left, Representative US Representative Suzanne M. Kosmas (D -...During the STS-131 mission's first spacewalk, astronauts Rick Mastracchio and Clayton Anderson (out of frame) moved a new 1,700-pound ammonia...Dwarfed by space shuttle Discovery and with Earth's horizon and the blackness of space providing the backdrop for the scene,...During the second of three spacewalks STS-131 astronauts Rick Mastracchio (left) and Clayton Anderson continued maintenance activities outside the International...During the second spacewalk of the STS-131 mission, NASA astronauts Rick Mastracchio and Clayton Anderson (out of frame) unhooked and...During the STS-131 mission's first spacewalk, which lasted about 6.5 hours, NASA astronaut Rick Mastracchio helped move a new 1,700-pound...The Expedition 23 crew photographed this view of the aft portion of space shuttle Discovery, including the three main engines,...This view of the underside of the crew cabin of the space shuttle Discovery was provided by the Expedition 23...The International Space Station flew across the face of the moon over NASA's Kennedy Space Center in Florida approximately 15...An exhaust cloud billowed around Launch Pad 39A at NASA's Kennedy Space Center in Florida as space shuttle Discovery lifted...Space shuttle Discovery's engines ignited at 6:21 a.m. EDT Monday, April 5, for liftoff of the STS-131 mission from Launch...Edwin P. Hubble-famed astronomer-and basketball star? In fact, Dr. Hubble was both. The University of Chicago alumnus was a member...The summit of South America's Llullaillaco Volcano has an elevation of 22,110 feet above sea level, making it the highest...On April 1, 1960, a satellite designed by the Radio Corporation of America (RCA) launched to become the nation's first...The Soyuz TMA-18 spacecraft arrived by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, March, 31, 2010....Subtle color differences on Saturn's moon Mimas are apparent in this false-color view of Herschel Crater captured by NASA's Cassini...This new composite image from NASA's Chandra X-ray Observatory and Spitzer Space Telescope shows the dusty remains of a collapsed...From left to right are Shannon W. Lucid, Margaret Rhea Seddon, Kathryn D. Sullivan, Judith A. Resnik, Anna L. Fisher,...A specialized transporter brought the payload canister to Launch Pad 39A in preparation for the STS-131 mission. The canister, which...When Ajay Ramesh and Prithvi Aiyaswamy, two seventh graders from Chaboya Middle School, San Jose, Calif., visited the Fluid Mechanics...NASA's Mars Exploration Rover Opportunity took this image in preparation for the first autonomous selection of an observation target by...Spring has sprung on Mars, bringing with it the disappearance of carbon dioxide ice (dry ice) that covers north polar...NASA astronauts Scott Altman and Mike Massimino of the STS-125 mission visit the New York Stock Exchange to support the...This image depicts a vast canyon of dust and gas in the Orion Nebula from a 3-D computer model based...The Soyuz TMA-16 spacecraft is seen as it lands with Expedition 22 Commander Jeff Williams and Flight Engineer Maxim Suraev...This image of Mars' moon Phobos was taken by the High Resolution Stereo Camera (HRSC) on Mars Express. The HRSC...This image of the open star cluster NGC 7380, also known as the Wizard Nebula, is a mosaic of images...In December 2009, the first high-resolution global map of Mercury was made publicly available. These images are from MESSENGER, a...
