The solar-thermal startup wants to deliver electricity for as little as one cent per kWh. But first it has to scale ...

Twin Mars spacecraft were due to launch on Blue Origin's New Glenn rocket on Nov. 12, but an active sun prompted NASA to delay its mission until some time in the future.

Salpha Energy is part of the green leadership in Nigeria, and the continent overall, that African representatives attending ...

Engineers at the University of California, Davis, have invented a device that can generate mechanical power at night by ...