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Solar power has always had a reputation for being expensive, but not for much longer. In India, electricity from solar is now cheaper than that from diesel generators. The news - which will boost India's "Solar Mission" to install 20,000 megawatts of solar power by 2022 - could have implications for other developing nations too.
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Nuclear reactors in the central and eastern U.S. face previously unrecognized threats from big earthquakes, the Nuclear Regulatory Commission said Tuesday. Experts said upgrading the plants to withstand more substantial earth movements would be costly and could force some to close.
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A new way to use plutonium for power could help NASA explore the solar system, and should be flight tested as soon as possible, a new report says.
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Neuroscientists may one day be able to hear the imagined speech of a patient unable to speak due to stroke or paralysis, according to University of California, Berkeley researchers.
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"Drones are not just for firing missiles in Pakistan. In Iraq, the State Department is using them to watch for threats to Americans. It’s time we used the revolution in military affairs to serve human rights advocacy. "
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Operating on money and equipment scrounged from the public and from Silicon Valley millionaires, and on the stubborn strength of their own dreams, a band of astronomers recently restarted one of the iconic quests of modern science, the search for extraterrestrial intelligence — SETI, for short — which had been interrupted last year by a lack of financing.
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It could be much more difficult than we thought to feed everyone in a warmer world. Satellite images of northern India have revealed that extreme temperatures are cutting wheat yields. What's more, models used to predict the effects of global warming on food supply may have underestimated the problem by a third.
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The U.S. Defense Department plans to develop a new conventional ballistic missile for fielding on attack submarines, according to major budget decisions announced on Thursday at the Pentagon.
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Low Earth orbit just got a free spring-clean, thanks to the sun. It turns out that increased solar activity in recent years has removed some of the satellite debris that clogs this regionMovie Camera, making it temporarily safer for other satellites and astronauts.
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The author looks at an ambitious Japanese proposal to install solar panels on the moon's surface and beam the resulting solar energy to stations on the earth.
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