A new five-year plan highlights an 'urgent need' to develop megaprojects in space, such as human habitats and space-based solar power plants.
When a utility repossessed nearly 1,400 streetlights, 12,000 residents were left in the dark. Now, a non-profit is installing solar-powered versions.
The U.S. military deployed a solar-harvesting test module into space in May. Will space-based solar power ever work, and what will it take?
Inspired by the flaky pastry, scientists invented a new device for storing renewable energy.
"The new approach could even pave the way for 100 percent self-sufficiency in power, heat, and water."
Climate models reveal that renewable energy projects in the Sahara could spark a twofold increase in local rainfall, enabling vegetation to take hold.
Solar-powered commercial cars are still far off, but it may be undergrads who get us there.
Inside the internet giant’s plan to build a utopian car-free neighborhood on Toronto’s waterfront.
Experts are banking on solar and hydrogen fuel as the future of green energy, but it might not be an easy ride.