Overview Energy has proven its solar power beaming satellite system works in motion, which it claims is a world first for high-power wireless energy transmission. The company is targeting megawatt ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

The latest hot-fire of NASA’s Artemis moon rocket engine at Stennis Space Center was more than a dramatic plume on the ...

Scientists are learning how to turn the chill of outer space into a quiet source of electricity, using the night sky itself as a heat sink. By carefully managing how surfaces shed heat after dark, ...

"Solar Orbiter can now provide this missing piece of the puzzle." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a striking new view from ...

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 ...