This discovery makes it even clearer that humans were in the Americas much earlier than long believed
Photos
Tiny wonders amaze in Nikon’s Small World photo competition
Planet
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This is the 47th year for the competition, which celebrates microscopic photography
Woof! Is this dog-bone asteroid just a pile of rocks?
Science and Tech
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A new study of the Kleopatra asteroid is raising cool questions about this bizarre object and its two mini moons
New pictures from Curiosity rover show changing Martian landscape
Science and Tech
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This 360-degree panorama reveals Mars’ rugged terrain and unveils some cool geological discoveries
Meet a walking whale ancestor with a deadly name
History
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Phiomicetus anubis was recently found in Egypt and is named for the ancient Egyptian god of death
This 400-year-old coral is a Great Barrier Reef superstar
Planet
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It is one of the largest and oldest corals in the world famous reef