With only the sun for energy, it can collect 3 liters of water a day.

First the Danes fund the largest wind company in the U.S. Now the Spaniards are set to open a 24-megawatt solar plant in California. Why are American investors

With the right rebates, solar panels can offer a return on investment far higher than you'll find in the S&P 500.

The sun-powered plane Solar Impulse demonstrates the vast potential for renewable energy after successfully setting the distance record for solar aviation.

The innovative plane continues its journey across the United States using only the sun for fuel.

September event sparked a global aurora at Mars more than 25 times brighter than anything previously observed.

Experts estimate that there are as many as 170 moons orbiting the eight planets of our section of the galaxy.

ABC drama returns for its third season.

The actress, who follows a mostly vegetarian diet, stars in her first American TV show, 'Red Widow.'

Large-scale installation, by artist John Gerrard, simulates the sun and night sky above a solar thermal plant in Nevada.

American employers may have paid a steep price for the eclipse, but it was just what the nation needed.

Facebook is in talks to buy a drone company that manufactures ultra-lightweight, solar-powered planes.

Charge Across Town is cutting carbon emissions with mobile charging. Just respect the two-hour limit.

Resilient design is showcased in competing homes hailing from New York, New Jersey and Missouri.

From Apple's Spaceship HQ to GE's Boston campus, these solar-integrated designs are raising the bar.

A dozen senators are asking the Departments of Interior and Energy to get the event back on the mall.

Your next iPhone could recharge itself by absorbing sunlight-- if a new rumor turns out to be true.

Two student teams from the 2013 Solar Decathlon, USC and Santa Clara University, need to sell their innovative, solar-powered homes to private buyers.

The rapidly growing solar industry needs a lot of highly skilled employees. And it thinks it knows where to find them.

A new report hints at the growing economic clout of renewable energy.

NASA is looking for someone to protect us from alien microbes — and the rest of the solar system from ourselves.

Transition to clean energy meant to provide a proof of concept to other island nations in the Caribbean.

Critically acclaimed 'Catching the Sun' offers solution to current economic crisis.

Jenn Breckenridge of the Burn Clean blog recommends 3 fun, funky & functional gifts for Father's Day.

Scientists and artists have more in common than one might think. Many techniques used by artists are just as indispensable for scientists, who use interesting i

New results from NASA's MAVEN spacecraft suggest that the Red Planet lost most of its carbon dioxide-dominated atmosphere to space about 3.7 billion years ago.

Artificial photosynthesis could produce the perfect clean fuel to run everything.

December's annular solar eclipse looked like a "ring of fire."

What caused the planets to neatly divide into terrestrial and gas giants? Scientists believe they now have the answer.

Google announces breakthrough in mirror technology that could cut the costs of solar thermal power in half.

In the latest installment of the Faces of the Recovery Act video series, the U.S. Department of Energy showcases 1366 Technologies.

Sandia National Laboratories is investing $8.5 million in four projects that are part of the Solar Energy Grid Integration Systems (SEGIS) program.

Job-creating grants are making their way to a swing state near you!

The U.S. Department of Energy will guarantee a $1.45 billion loan for the Abengoa Solar Solana project in the Arizona desert.

Learn how solar panels convert the sun’s rays into energy in this DOE video.

The solar company's collapse has electrified many critics of President Obama. But what does it say about the sustainability of U.S. solar power overall?

Solyndra's public and highly controversial bankruptcy filing is affecting other solar projects.

The third time's a charm for the resiliency-minded contender from New Jersey.

Mark your calendars now for the Great North American Eclipse of April 8, 2024.

NASCAR racetracks are at the heart of red-state America, but here they are installing photovoltaic farms, running on ethanol and biodiesel, and mowing the lawn

Sunlight in the form of fuel? A breakthrough new discovery brings science one step closer to creating clean hydrogen fuel using only water and sunlight.

Utility-scale solar power requires a lot of land. But there are ways to work around that problem.

They're baaack ... nearly 30 years later, solar panels are once again gracing the roof of America's most famous neoclassical mansion.

Deserts have a lot of sun, but not much water. That's why researchers are advocating combined solar and agave farms.

With the purchase of New Mexico's largest solar facility, the long-term partnership is nearing 300MW of installed solar power.

Even partial shade can dramatically cut an entire solar array's output — but not any more. An award-winning team believes it has the answer.

After the 2007 Burning Man, volunteers repurposed a solar array for a local school. That installation led to many, many more.

In rural areas, Internet connectivity can be a powerful force for economic empowerment.

Fom Argentina to Mexico, solar in Latin America is likely to grow like gangbusters in the coming years.

Kerosene lanterns are dangerous, polluting and unhealthy. That's why one charity aims to eliminate them by the end of the decade.