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Columbia’s First Spacewalk
Columbia’s First Spacewalk

On the first-ever spacewalk from space shuttle Columbia, during the STS-87 mission, astronaut Winston E. Scott works with a simulated…

The Swan Glowing in Flight
The Swan Glowing in Flight

Best known as a swan winging its way across the night, the constellation Cygnus is easily seen in the northern…

On the Crawlerway
On the Crawlerway

In preparation for the STS-87 mission, space shuttle Columbia rolls out to Launch Pad 39B atop the crawler-transporter. STS-87 marked…

Janus’ Craters
Janus’ Craters

Shadows darken parts of some of Janus' large craters as Cassini takes a close look during its flyby of this…

Active Black Hole Squashes Star Formation
Active Black Hole Squashes Star Formation

New data from the Herschel Space Observatory shows that galaxies with the most powerful, active, supermassive black holes at their…

Meteorite Fragment Search
Meteorite Fragment Search

Peter Jenniskens take a closer look at the image from the AVS Cineflex HiDEF camera mounted on the nose of…

Vesta in Perspective
Vesta in Perspective

The giant asteroid Vesta is shown here as the smallest body among other similar bodies in the solar system: Mars,…

Challenger Memorial
Challenger Memorial

Following the Challenger memorial ceremony held Jan. 28 in front of the Space Memorial Mirror at NASA Kennedy Space Center?s…

Challenger Tribute
Challenger Tribute

A tribute to space shuttle Challenger, or OV-099, hangs in Firing Room 4 of the Launch Control Center at NASA's…

Mineral Diversity at Vesta’s South Pole
Mineral Diversity at Vesta’s South Pole

This image, made from data obtained by NASA's Dawn spacecraft, shows the mineral distribution in the southern hemisphere of the…