The U.S. accomplishes its mission of having men walk on the moon and the Soviet Union is left waiting in the wings. Learn more about NASA and the space race in this video.
Learn about the forms and contours of the universe.
Some experts believe the galaxy will eventually be devoured by black holes.
Shooting stars come in the wake of comets and are commonly known as meteors.
Watch this Reuters video showing a computer mock-up of the smallest planet ever found outside our solar system, and it could be very similar to Earth. The new planet is circling a small red dwarf star 30 light years away in the constellation of Leo.
Some black holes move from place to place, and one could destroy earth. Learn more about black holes in this HowStuffWorks video.
Have humans already landed on Mars? Watch this Reuters video of new pictures taken by NASA's Spirit Rover that shows an image resembling a human shape on Mars. NASA is planning more investigation.
For the privileged few, the view from the International Space Station is ever-changing and always amazing. Learn more about the International Space Station in this video.