On the first-ever spacewalk from space shuttle Columbia, during the STS-87 mission, astronaut Winston E. Scott works with a simulated…
Best known as a swan winging its way across the night, the constellation Cygnus is easily seen in the northern…
In preparation for the STS-87 mission, space shuttle Columbia rolls out to Launch Pad 39B atop the crawler-transporter. STS-87 marked…
Shadows darken parts of some of Janus' large craters as Cassini takes a close look during its flyby of this…
New data from the Herschel Space Observatory shows that galaxies with the most powerful, active, supermassive black holes at their…
Peter Jenniskens take a closer look at the image from the AVS Cineflex HiDEF camera mounted on the nose of…
The giant asteroid Vesta is shown here as the smallest body among other similar bodies in the solar system: Mars,…
Following the Challenger memorial ceremony held Jan. 28 in front of the Space Memorial Mirror at NASA Kennedy Space Center?s…
A tribute to space shuttle Challenger, or OV-099, hangs in Firing Room 4 of the Launch Control Center at NASA's…
This image, made from data obtained by NASA's Dawn spacecraft, shows the mineral distribution in the southern hemisphere of the…
