Ahead of the scheduled launch of Endeavour from Cape Canaveral, the President and his family get a tour of Space Shuttle Atlantis
NASA maintains a fleet of 21 1960s-era T-38 supersonic jets stationed at Ellington Field in Houston, Texas, to train its astronauts
Despite a dramatic electrical storm near the Kennedy Space Center last night, Endeavour is still scheduled to launch this afternoon
An astronaut aboard the International Space Station used a Nikon to capture this image of Cairo and its surrounding region at night
A composite of several infrared snapshots captured by ASTER on NASA's Terra satellite shows the glacier's long, slow journey
On a five-week trip as part of NASA's multi-year shipborne project, these scientists were sampling the characteristics of the ocean
"[N]ot sure if Earl will go quietly into the night like Danielle," NASA's Douglas Wheelock wrote from aboard the Space Station
The Argentina-based contemporary artist has captivated a new generation with his installation piece in Kanazawa, Japan
In the Andromeda system 300 million light-years from us, the two galaxies are tens of thousands of light-years apart
These six segments will join a dozen others to form the primary mirror for on NASA's James Webb Space Telescope
Stars form along the dense filaments of gas in an interstellar cloud that develop when sonic booms run out of energy
A crane adds a dome at the A-3 Test Stand, which is being constructed for engineers building next-generation rocket engines
Extending more than 1,500 miles across Asia, the Tien Shan is one of the longest continuous ranges anywhere on Earth
A UNESCO World Heritage Site, southeastern Algeria's Tassili n'Ajjer covers nearly 28,000 square miles in the Sahara
With money from Microsoft co-founder Paul Allen and donated brains, a team of scientists built this interactive research tool
In celebration of the cosmonaut's historic spaceflight on April 12, 1961, NASA unearthed this false-color image from 2005
The International Space Station's Cupola provides crew members with a spectacular view of Earth and other objects
With its bright colors, NASA compared this image, taken by the Wide-field Infrared Explorer, to an abstract painting
Flying high over the Andes Mountains, the three crew members aboard the ISS welcomed three more Wednesday evening
One of two such facilities in the country, NASA's PS-PVD rig makes thin ceramic coatings used in high efficiency engines