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…
