STS-120 mission specialist Scott Parazynski participated in the second of five scheduled spacewalks as construction continues on the International Space…
The Glenn Research Center’s Icing Research Tunnel is the world’s largest refrigerated wind tunnel. During tests of a heated-air system…
Gamma rays produce flashes that are brighter than a billion suns yet last only a few milliseconds and have been…
A crucial step in the Mars Sample Return mission would be to launch the collected sample away from the surface…
Variations in ring particle concentration give Saturn’s brilliant rings the appearance of ripples in a pond in this close-up view…
At 86 meters (282 feet) below sea level, Death Valley, California, is one of the hottest, driest places on the…
In the Space Shuttle Discovery’s airlock, Astronaut Steve Robinson, left, and Japan Aerospace Exploration Agency Astronaut Soichi Noguchi prepare for…
Skiers, hikers, and tourists prize Colorado’s Rocky Mountains for the steep ski slopes, challenging climbs, and spectacular views; geologists and…
An engineer and a technician check out an ion engine in the Electronic Propulsion Research Building at the Lewis Research…
NASA’s Mars Exploration Rover Opportunity recently stopped to analyze an exposure of rock near “Beagle Crater,” on a target nicknamed…
