China is pushing lithium-sulfur batteries from lab curiosity toward real-world hardware, and the latest twist adds sunlight ...

The electricity it makes is expensive, its technology has been superseded, and it's incinerating thousands of birds ...

Navajo leaders approved a 4,500-acre lease for a solar power project, but some community members still have questions.

NASA’s Gateway is coming to life with a solar-powered spacecraft built to light it up—and move it around the Moon.