Solar Power

Solar power took a dip in the United States when the total eclipse swept across the country Monday (Aug. 21), as a new video shows.

From inefficient grids, shortfalls in policy, and even an eclipse, solar-energy collection faces no shortage of hurdles. Scientists have discovered another stumbling block: air pollution. 

On the Tibetan Plateau in eastern China, 4 million solar panels silently soak up the sun as part of the Longyangxia Dam Solar Park.

Facebook is testing a drone that can deliver internet access to remote areas of the world.

Electronics such as solar panels and flexible gadgets may someday be able to heal their "wounds," thanks to tiny, self-propelled nanoparticles that detect and repair damage.

The lack of a carbon tax amounts to a hidden subsidy that incentivizes "bad behavior," Musk said Tuesday (Dec. 15) at the annual fall meeting of the American Geophysical Union, in San Francisco.

Japanese paper art has inspired scientists to design a new thin solar cell that tracks the sun using cuts and bending instead of large, clunky motors and gears.

Tesla has just unveiled a line of home batteries, but they aren't much different from the batteries that currently power their cars, experts say.