Energy, Solar | featured news

NASA's upcoming mission to Jupiter can't get much greener than this: a solar-powered, windmill-shaped spacecraft....

Boommi Gowda used to fear the night. Her vision fogged by glaucoma, she could not see by just the dim glow of a kerosene lamp, so she avoided going outside where king cobras slithered freely and tigers carried off neighborhood dogs....

An experimental solar-powered plane completed its first 24-hour test flight successfully Thursday, proving that the aircraft can collect enough energy from the sun during the day to stay aloft all night.

A solar plane with wings as wide as a 747 and the power of a small motorboat took to the skies for the first time Wednesday, cruising a mile high at bicycle-like speeds for nearly 1 1/2 hours in a step toward becoming the first sun-powered aircraft to circle the world....