NASA's Aqua satellite captured this image of the Gulf of Mexico on April 25, 2010 using its Moderate Resolution Imaging…
In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, the astronauts of space shuttle Discovery's STS-131…
Astronaut Rick Mastracchio, STS-131 mission specialist, participates in the mission's first spacewalk as construction and maintenance continue on the International…
Astronaut Rick Mastracchio takes part in the second spacewalk of STS-131. During the seven-hour, 26-minute spacewalk, Mastracchio and astronaut Clayton…
Astronaut Rick Mastracchio works on the truss section of the International Space Station during the second spacewalk of the STS-131…
NASA Administrator Charles Bolden and U.S. Environmental Protection Agency Administrator Lisa P. Jackson signed a Memorandum of Agreement today to…
Still from video showing NASA's DC-8 taking off for a science flight from Thule, Greenland. The first half of the…
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.…
Images taken by SDO immediately after the AIA CCD cameras cooled on March 30, 2010. This image shows several flares…
