SOLAR

The world’s largest oil consumer, the Pentagon, wants to harvest energy in space.

Federico Capasso of Harvard is leading a team of researchers to engineer an innovative technology.

Amid giant wind farms and solar panels, noxious fumes remind visitors that China's not done with coal yet.

Homeowners are rushing to install solar panels, but utility companies say the grid can't keep up.

A Japanese construction company has proposed a “lunar solar power generation concept” for inexhaustible, clean energy.

Everything you need to know about the 2013 solar eclipse, including live stream footage from Slooh.

A Mars solar conjunction happens about once every 26 months, so this isn't NASA's first rodeo.

Investors in Suntech Power Holdings, China's biggest solar energy company, could lose nearly $1.28 billion.

The growing capabilities of prison-based manufacturers make their products increasingly attractive to government contract buyers.

Scientists were able to manipulate cyanobacteria to make a chemical that can be converted into fuels and plastics.

Ghana will be home to Africa's largest solar power plant by 2015, setting a precedent for a continent where renewable energy is key to development.

NASA has captured an amazing view of a solar prominence, a breathtaking event centered on the sun ejecting huge amounts of superheated plasma.

Scientists will be watching the eclipse with instruments to get a better understanding of why the sun's corona, or outer atmosphere, is so much hotter than its surface.

Parts of the Southern Hemisphere will receive a treat this week, when the moon blots out the sun in the only solar eclipse of the year. Here's where you can live stream the solar event online.

A planet with four suns has been found with the help of amateur astronomers.

The Gates Foundation is aiming to address a prevalent problem for the urban poor and the developing world: the lack of a hygienic place to poop.

Some of the China's largest solar manufacturers are facing huge debt liabilities, and one of them, Suntech Power Holdings [STP.N], is potentially on the hook for hundreds of millions of dollars after it disclosed potential fraud by a partner.

NASA's Curiosity rover will be digging around on Mars over the next two years looking for signs of ancient life. But the Red Planet isn't the only place in our solar system that scientists think could harbor life.

First Solar, Green Mountain Coffee Roasters, Gilead Sciences, Idenix Pharmaceuticals, Transocean, LivePerson, Bristol-Myers Squibb and Banco Bilbao Vizcaya Argentaria SA are among the companies whose shares are moving in pre-market trading Thursday.

The top after-market Nasdaq gainers Wednesday were First Solar Inc, Cavium Inc, Green Mountain Coffee Roasters Inc, SunPower Corporation and United Online Inc. The top after-market Nasdaq losers were Halozyme Therapeutics Inc, Zumiez Inc, Solta Medical Inc, LivePerson Inc and Synchronoss Technologies Inc.

Abound Solar of Loveland, Colo., has become the third federally sponsored solar panel company to collapse in the past year, another blow to Obama's green energy and jobs efforts.