Balcony solar systems are quietly transforming clean energy access. Discover how plug-in solar works, its legal challenges, ...

Moons circle planets, and planets circle stars. Now, astronomers have learned that planets may also circle celestial bodies almost as small as planets. NASA’s Spitzer Space Telescope has spotted a ...

Pool, trampoline, a badminton net: Some gardens are so large that they can accommodate all kinds of infrastructure for fun and games. Why not use the space to generate electricity – at least if the ...