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 ...

More than four months after launching to space, NASA's Advanced Composite Solar Sail System (ACS3) has successfully deployed its solar sail, marking a significant milestone in the development of solar ...

In days gone by, explorers traveled into the unknown by sailing on the wind, and the robotic explorers of the future may do some sailing of their own. NASA is on the verge of launching a ...