You can save a little power in a lot of places. These solar gadgets cover household cooling, portable power, trickle charging ...

Japanese scientists have built a device that pulls carbon dioxide straight from the air and turns it into fuel using sunlight, effectively mimicking photosynthesis while beating plants at their own ...

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

Solar power has long been constrained by a supposedly unbreakable ceiling on how much sunlight a panel can turn into electricity. That barrier is now cracking as a new class of solar materials pushes ...