Ancient Hyenas Ate Human Relatives Half a Million Years Ago

Tooth marks on the leg bone of a hominin, an ancient human relative, suggest that the poor soul had a gristly end, a new study finds. ...
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Mars Comes to Earth: Scientists 'Visit' Red Planet with Augmented Reality

WASHINGTON — NASA is aiming to send astronauts to Mars sometime in the 2030s, but a new technology could help scientists explore the ...
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Europe Aiming for International 'Moon Village'Europe Aiming for International 'Moon Village'

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Unlucky 7? Emergency Surgery Usually Means These Operations

Just seven common operations account for the vast majority of emergency surgeries performed             in the U.S., a new study finds. Th...
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