Astronomers calculate mass of largest black hole yet

(PhysOrg.com) -- Weighing 6.6 billion solar masses, the black hole at the center of galaxy M87 is the most massive black hole for which a precise mass has been measured. Using the Frederick C. Gillett Gemini Telescope on ...

Climate flux matched Europe's social rise and fall

Ancient tree rings show links between climate change and major events in human history, like migrations, plagues and the rise and fall of empires, said a study this week in the journal Science.

NASA's TRMM Satellite sees Zelia born of System 94P

The low pressure area known as System 94P on January 13 strengthened into the seventh tropical cyclone of the South Pacific Cyclone season, today becoming Tropical Storm Zelia. NASA's TRMM satellite found heavy rainfall was ...

Downloads of Disney's new 'Tap Tap' game cross 6M

(AP) -- The Walt Disney Co.'s newly restructured mobile game division briefly knocked the popular "Angry Birds" off its perch atop iTunes' free app store over the holidays in a sign that its purchase of game-maker Tapulous ...

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