Solar Power

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.

Sin City just got a little greener.

In 2015, green might just be the new black.