This mosaic image taken on Jan. 4, 2004, by the navigation camera on the Mars Exploration Rover Spirit, shows a…
Fourteen mountain peaks on Earth stand taller than 8,000 meters (26,247 feet). The tallest of these “eight-thousanders” is Mount Everest,…
Artist's depiction with cutaway section of the two giant donuts of radiation, called the Van Allen Belts, that surround Earth.
Russian cosmonauts Oleg Kotov (right), Expedition 38 commander; and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits, participate in…
Russian cosmonaut Sergey Ryazanskiy, Expedition 38 flight engineer, attired in a Russian Orlan spacesuit, participates in a session of extravehicular…
These Goldstone radar images show triple asteroid 1994 CC.
These series of radar images of asteroid 1999 RQ36 were obtained by NASA's Deep Space Network antenna in Goldstone, Calif.…
This composite image of asteroid 2007 PA8 was obtained using data taken by NASA's 230-foot-wide (70-meter) Deep Space Network antenna…
A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13,…
This movie of radar data images of asteroid Toutatis were generated with data collected using NASA's 230-foot-wide (70-meter) Deep Space…
