A 10-year effort to measure gravity, a fundamental force in the universe, has failed to come up with a conclusive answer.
The most precise measurement of the expansion rate ever made suggests an unknown force may be affecting the universe.
Researchers at The University of Manchester's National Graphene Institute have shown that electrons in ultra-clean graphene can be steered with high precision while keeping their spin information ...
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Here's what 6 years of driving on Mars did to the wheels on NASA's Curiosity rover (video)
A new video released by NASA/JPL documents six years of Curiosity rover's wheels while driving on Mars.
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