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.
Researchers discover the hidden impact of solar panel shade
It turns out it's cooler under there.
Mandalay Bay installs America's biggest solar roof
Solar aircraft test flight paves the way for internet drones
Luminati Aerospace wants robotic aircraft that never land.
Solar-powered aircraft completes its flight across the US
Solar Impulse 2 landed this morning in NYC, the final US leg of its round-the-world journey.
Apple creates a new company to sell solar energy
It could be operational as soon as August.
Santiago subway will be the first powered mostly by the sun
The system is getting a direct connection to its own solar farm.
World's largest solar power plant experiences minor meltdown
It briefly turned into the world's largest magnifying glass.
There's a new world record for solar cell efficiency
Australian scientists get closer to the theoretical limits of solar power.