21 October 2010, 01:20 PM ET
Atlantis hanging onto the ISS in May 2010.
21 October 2010, 01:18 PM ET
This artist's conception depicts a watery alien planet beyond a belt of asteroids circling a distant star.
21 October 2010, 01:17 PM ET
Discovery docked to the ISS with Leonardo in the payload bay.
21 October 2010, 01:02 PM ET
The International Space Station's new cupola provides dramatic views of Earth.
21 October 2010, 01:00 PM ET
Astronaut Robert L. Satcher Jr., photographs his helmet visor outside the International Space Station in November 2009.
21 October 2010, 12:58 PM ET
A spiral galaxy gains a purplish hue in the false-color view from a space telescope.
21 October 2010, 12:49 PM ET
The Earth as seen by Apollo 17 astronauts.
20 October 2010, 04:46 PM ET
Astronaut Nicholas Patrick works on the new cupola outside the International Space Station.