Skydiver Felix Baumgartner plans supersonic jump from 23 miles up
March 16, 2010, 9:21 p.m. by Katherine Butler
Baumgartner will jump from a helium balloon in the stratosphere about 120,000 feet above Earth.
Lava revealed to have carved some channels on Mars
March 15, 2010, 5:03 p.m. by Katherine Butler
Discovery weakens theory that water may have existed on the Red Planet.
Movie trailer: IMAX Hubble 3-D
January 19, 2010, 5:19 p.m.
Video: Narrated by Leonardo DiCaprio, new film journeys to space to document the adventure to fix the world's most famous telescope.
Few people on dry land saw the total solar eclipse — but you can
What to see in the night sky in July
Something very big and very dark punched a hole in our galaxy
Who needs fireworks when you have the stars?
10 spectacular images from NASA's Spitzer telescope
Orbit map of the solar system reveals gorgeous planetary perspective