The final frontier for solar energy
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Scientist assess the possibility of building giant solar panels in space in order to meet the planet's rising energy needs.
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Wafer-thin solar cells printed on aluminium film heralded as 'a revolution' by British scientists
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The technology could boost LED power, increase solar-panel efficiency and reduce light spillage inside cameras.
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Scientists create a tiny image of the Sun using a technique which could be used to make future silicon chips.
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BRECKENRIDGE, Colorado &#150; The deployment of space platforms that capture sunlight for beaming down electrical power to Earth is under review by the Pentagon, as a way to offer global energy and security benefits &#150;  including the prospect of short-circuiting future resource wars between increasingly energy-starved nations.
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US astronauts on Sunday finished their fourth and final spacewalk enabling two new solar arrays on the International Space Station and setting the stage for the shuttle Atlantis&#39; return flight later this week, NASA said.
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Radical goals for 2020 boost renewable energy and cut emissions sharply.
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A startup promises to install solar panels on your roof for free, and sell you the power for pennies. Is it a revolution, or clean-energy vaporware? By Marty Graham.
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Two new facilities use solar power to produce hydrogen and biofuels, showing progress in the quest to add a little sun to your fuel tank. In Autopia.
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Some experts say that moving solar energy from niche to mainstream is unlikely without big breakthroughs.
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A device that turns heat to sound and sound to electricity could power spacecraft.
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A University of Idaho professor is devising a new form of solar cell she says could lead to a breakthrough that would make solar energy commercially feasible.
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Denmark catches the most wind for power. Japan absorbs the most sun. Now Britain wants to rule the waves. Wave and tidal stream machines are the latest exploratory technology
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One of the last frontiers of semiconductor technology -- environments where electronic devices have to run at high power, in fierce heat or at lethal doses of radiation -- may be about to fall.
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Paris - One of the last frontiers of semiconductor technology - environments where electronic devices have to run at high power, in fierce heat or at lethal doses of radiation - may be about to fall.
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Blog: Researchers create lighting foil to save energy, space.
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To explore deeper into our solar system, maximum efficiencies may one day be extracted from sound waves. Los Alamos scientists have engine plans drawn up for making a big bang to push a pistonless drive forward.