15-inch (380 mm) diameter PICA sample in the arc jet stream
Eight years ago - on April 28, 2006 - the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) mission launched…
This image from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows a sandstone slab on which the rover…
As the International Space Station passed over the Bering Sea on Earth Day, one of the Expedition 39 crew members…
NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.
Part of the upper body of NASA astronaut Rick Mastracchio is pictured in a "selfie" or self-portrait during a spacewalk.
NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.
The SpaceX Dragon spacecraft docked to the International Space Station was photographed by one of two spacewalking astronauts on April…
During the 1990s two SR-71 Blackbird aircraft were used by NASA as testbeds for high-speed and high-altitude aeronautical research at…
Three STS-31 crew members look at the Hubble Space Telescope through overhead windows on space shuttle Discovery, April 25, 1990.…
