When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

When I walked into Realbotix's headquarters in Las Vegas, technicians crowded around humanoid robots fresh from a trade show, replacing worn motors and repairing facial glitches. The maintenance ...