LightSail 2 successfully demonstrates solar sailing
It shows that satellites can use the Sun to propel themselves.
lightsail
Solar-powered LightSail spacecraft is ready for its second flight
It will launch onboard SpaceX's Falcon Heavy.
'Starshot' plan gets probes to Alpha Centauri in your lifetime
Stephen Hawking and Yuri Milner are backing a $100 million effort to explore our closest neighboring star.
