On Dec. 13, 1972, scientist-astronaut Harrison H. Schmitt is photographed standing next to a huge, split lunar boulder during the…
NASA's Cassini spacecraft obtained this unprocessed image on Dec. 12, 2011. The camera was pointing toward Saturn's moon Dione from…
USS Intrepid aircraft carrier which is home to the Intrepid Sea, Air & Space Museum is seen in the late…
Comparative sizes of Kepler planets, through Kepler-22b. Credit: NASA/Kepler mission/Wendy Stenzel
NASA Deputy Administrator Lori Garver, fourth from left meets Blue Origin Founder Jeff Bezos, third from left, next to Blue…
NASA's Curiosity rover and its rocket-powered descent vehicle pose for a portrait at JPL's Spacecraft Assembly Facility. During a nearly…
This image, taken December 6, 2011, combines two separate views of the giant asteroid Vesta obtained by NASA's Dawn spacecraft.…
Alan L. Bean, Lunar Module pilot for the Apollo 12 mission, starts down the ladder of the Lunar Module (LM)…
Echo II is shown here undergoing a tensile stress test in a dirigible hanger at Weekesville, North Carolina. A dirigible…
This artist's conception illustrates Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star. It…