Six innovative rooftop solar technologies
Sun-powered roofs aren't new, but some recent innovations make them more affordable and easier to install.
Solar dish sets steamy thermal energy efficiency record
It's thought to be the world's most efficient solar receiver.
Biggest US total solar eclipse in decades happens next year
The shadow of the moon will fall on 14 US states next year.
Solar-powered machine turns urine into drinkable water
Scientists will use a 1,000 liters of recovered water to make beer.
Solar Impulse completes its round-the-world journey
It flew more than 40,000 km over the last 15 months or so, powered only by the sun.
Solar Impulse 2 starts the last leg of its round-the-world flight
The solar-powered aircraft will complete its trip almost a year and a half after the journey began.
ICYMI: Bubba Watson builds a jetpack, Facebook flies its solar drone
Plus, all the headlines you were too busy to hear the first time.
The best portable solar battery charger
When you're off the grid, be sure to pack the Anker PowerPort Solar Lite.
Harvard's battery tech takes cues from vitamin B2
They only had to make a couple of tweaks to the original B2 molecule.