The Rosetta spacecraft awoke after a three year slumber on Monday. How far away is it from the Earth?
On July 15th, 1965, Mariner IV sent back the first close-up pictures of Mars. Check out the history of Mars missions!
The Space Shuttle Atlantis flew its 33rd mission, marking the end of the U.S. shuttle program, two years ago today.
The Spirit Mars rover was launched 10 years ago today.
It performed all its functions using less power than a hand blender.