A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...
Space.com on MSN
America at 500: Where will we be in space in 2276?
When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...
Daily Mail on MSN
Mysterious structure in NASA's Mars photo sparks claims of a long-lost civilization
An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...
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