San Francisco mandates rooftop solar panels starting in 2017
But there are definite hurdles to clear first.
Solar cell generates power from raindrops
Solar power's nemesis might become its friend.
NASA picks solar power candidates for deep space missions
Four outfits, including ATK and Boeing, are making deals.
6 high-flying clean energy generators
Sky-based deployment means unfettered wind and solar power.
ICYMI: Moon waystation, human skin like bananas and more
Turns out banana peels are helping identify the stages of melanoma
Moth eyes inspire solar cells that work indoors
Nature-like graphene cells could scoop up energy from devices in your home.
Kyocera shows off another solar-powered prototype smartphone
For people who love the outdoors.
Google's solar plane crashed due to wing failure
The Solara 50 had a major issue shortly after takeoff in 2015.
Solar-powered action camera charges itself in about an hour
30-minutes in the sun will give this 4K camera an 80-percent charge