Billion-plus people to lack water in 2050: study

More than one billion urban residents will face serious water shortages by 2050 as climate change worsens effects of urbanization, with Indian cities among the worst hit, a study said Monday.

Cosmology standard candle not so standard after all

(PhysOrg.com) -- Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in mass, making them not quite as standard as once thought. The ...

NASA's high-tech GOES-P weather satellite lifts off

NASA on Thursday launched the latest in its family of high-tech meteorological satellites, adding to a constellation of spacecraft that watch storm development and weather conditions on Earth.

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