Solar-powered drone switches from helicopter to plane mode
Cells lining its long wingspan will extend its flight time.
China is now the biggest producer of solar power
Its capacity more than doubled in 2016.
Europe's space agency plans to launch a space-weather satellite
It could provide a unique view of the sun and lead to more accurate coronal mass ejection predictions.
Alphabet dropped its plan for solar-powered internet drones
It sees balloons as a better way to get the world online.
Half of UK electricity now comes from nuclear and renewables
The figure is up from 45.3 percent the year prior.
A French town just installed the world's first 'solar road'
You can even drive a big rig over it.
Tesla's master plan was realized in 2016
Ten years in, Tesla has become the company Elon Musk always wanted it to be.
Google expects to run solely on renewable energy in 2017
All of its offices and data centers will run on purchased solar or wind power.
Solar beads can make some very cool lamps and flashlights
Here's what solar power may look like in the near future.