Illustration of a solar sail above the Earth. Researchers have proposed using a lightweight sail propelled by laser light to go to another star system. A sailboat moves forward when the wind blows up ...

Solar sailing has moved from science fiction concept to working hardware, and now a new generation of entrepreneurs wants to turn that gentle push of sunlight into a commercial engine. Instead of ...

Over the last two decades, Les Johnson and his team of engineers have quietly been pushing NASA into a new era of space exploration while nobody was paying attention. As an engineer at the legendary ...

NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo. When you purchase through links on our site, we may earn an affiliate commission.