The Why Files on MSN

Has an alien satellite been watching Earth for 13,000 years?

Long before Sputnik launched, something else may have already been orbiting Earth. Known as the Black Knight Satellite, this ...
Bored Panda on MSN

39 medical facts so unusual most people never learn them

We often think we know more than we actually do. While four in five Americans consider themselves knowledgeable about the ...