Verizon's first smartphone to run on Google software goes on sale.
Great white sharks have their own hang out in the Pacific Ocean, scientists say.
Photo of grieving chimps is a powerful reminder of animals' emotional capacity.
Scientists in Wales film dolphins using their tails to toss jellyfish.
Rare tree frog joins more than 17,000 on "red list" of endangered species.
The African mountain's white peak is rapidly melting, researchers report.
100 years of National Geographic Magazine at your fingertips!
The Geek Squad shares some tips for purchasing a new laptop.
Commission tells White House NASA needs help to return to moon, go to Mars.
Ares 1-X, meant as space shuttle replacement, flies 30 miles above Atlantic.
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