During its examination of Mars, the Viking 1 spacecraft returned images of Valles Marineris, a huge canyon system 5,000 km,…
The flat-topped rock just below the center of this raw image from the rover Opportunity's panoramic camera was chosen by…
STEREO spacecraft and new data processing techniques have succeeded in tracking space weather events from their origin in the Sun's…
A spinning neutron star is tied to a mysterious tail - or so it seems. Astronomers using NASA's Chandra X-ray…
The NASA "meatball" takes shape brick by brick thanks to hundreds of pieces of LEGO®.
The crew of STS-135, NASA's final space shuttle mission, and Sesame Street's Elmo welcomed visitors to "What's Your Favorite Space?"…
In the predawn light, NASA's twin Gravity Recovery and Interior Laboratory (GRAIL) spacecraft arrive at at Space Launch Complex 17B…
Stephen Colbert, host of The Colbert Report, salutes the crew of STS-135 during their appearance for a taping of his…
Engineers at JHUAPL inspect Radiation Belt Storm Probe A in the clean room.
This image from 2005 shows the remains of the heat shield from NASA's Mars Exploration Rover Opportunity, broken into two…
