Perovskite solar cells shouldn’t work as well as they do—but they do. Scientists have now discovered that defects inside the material actually help, creating networks that separate and guide electric ...

To make these solar panels, Indian companies need PV cells—which are the small parts that convert sunlight into electricity. Since India doesn’t yet make enough of these cells on its own, it is ...

There are really only two possible endpoints for human energy production, and they're both fusion. Either we find a way to create tiny, controlled fusion reactions here on Earth (fusion power) or we ...