Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

A sunlight-propelled satellite floating though space on huge metallic sails sounds like an idea straight from science fiction. But scientists at NASA Langley Research Center in Hampton have spent five ...

NASA is set to deploy its next-generation solar sail technology, known as the Advanced Composite Solar Sail System. Set to launch in April, the Advanced Composite Solar Sail System is poised to ...

A microwave-sized spacecraft with large silver wings is tumbling in orbit as engineers work to fix a glitch that’s causing it to lose orientation. After deploying four composite booms on board the ...