Earth has Bullseye ~ This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.
In August of 2007 astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter. A radical and controversial theory proposes that it is a "Universe-in-mass Black hole"
What's Next for NASA: Planned Missions Through 2030 In honor of NASA's Anniversary we put together this infographic that shows NASA's planned expeditions through Do you think man will travel to Mars by