Working to repair and upgrade the Hubble Space Telescope, astronaut John Grunsfeld is positioned on a foot restraint on the…
A small spiral galaxy is caught between two elliptical galaxies, in a cluster called the Hickson Compact Group 90. As…
Unlike Earth the moon does not have air, food and water, so it would take a lot of effort for…
Technicians attach the Sunrise payload to its balloon and parachute. The giant crane holds the gondola plus telescope payload steady…
This fish-eye camera lens view of the interior of the Apollo Lunar Module Mission Simulator at the Kennedy Space Center…
NASA Langley Research Center engineers designed the control cab of the Lunar Landing Research Facility's original landing module from the…
A technician straps legendary test pilot Scott Crossfield into the cockpit of the X-15 rocket plane before an early test…
With floodlights shining down to simulate lunar light and the base modeled to resemble the lunar surface, 24 astronauts practiced…
This artist's concept illustrates how silicate crystals like those found in comets can be created by an outburst from a…
The blue lines superimposed over a Google Earth image of Iceland showed the tracks flown by NASA's Gulfstream C-20A science…