First private spacecraft to leave U.S. space station. MORE
Piggyback ride on a 747 to Smithsonian. MORE
Hits Huntsville Space & Rocket Center. MORE
Ringing in 2012 with a trip to space.
10 billion times the mass of the sun. MORE
After a previous attempt failed.
1-in-3,200 chance of hitting a person.
"Trojan" will be "stable for at least 1,000 years." MORE
Took "picture of the century" before crashing on moon. MORE
As NASA's last shuttle takes flight, private companies are rushing to fill the astronaut gap. MORE
Here’s a look at some of our favorite robotic friends. MORE