Apollo 11 commander Neil Armstrong and Apollo 17 commander Gene Cernan toured one of the Altair mock-ups at NASA’s Johnson…
United Space Alliance technicians at NASA’s Dryden Flight Research Center monitor the positioning of a work stand as it is…
STS-126 pilot Eric Boe inspects connections on the belly of space shuttle Endeavour, following landing at Edwards Air Force Base…
This artist’s concept shows the closest known planetary system to our own-Epsilon Eridani. Observations from NASA’s Spitzer Space Telescope show…
