Why outer space systems need high power density. Why power-generation systems in outer space are important. Generating electricity at nighttime using renewable resources has become extremely important ...

A mobile solar-powered unit generates hydrogen and stores it safely. Long-endurance drones using fuel calls can be easily ...

All products are independently selected and reviewed by CNN Underscored editors. When you buy through links on our site, we may earn a commission. Learn more unknown content item The best solar ...

When it comes to solar power, solar cells and panels tend to get all the attention. But there's a different kind of solar power generator known as a STEG, and researchers have just figured out a way ...

Space-based solar power has been gaining more and more traction recently. The recent success of Caltech's Space Solar Power ...

As solar plants and projects are being shut down, some cheaper alternatives are being explored. NBC News' Ellison Barber ...