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.
Elon Musk is working on a roof made of solar panels
Renewable energy wouldn't just be an afterthought on your home.
Tesla and Solar City agree to a $2.6 billion merger
New "integrated solar and storage" offerings are already on the way.
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.
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.