A month late, solar sail unfurls

To the delight of NASA engineers, the NanoSail-D nanosatellite has unfurled its 100-square-foot polymer sail in low-Earth orbit and is operating as planned after a month of inactivity.

Miniature satellite ejected in space

Yesterday, NASA for the first time successfully ejected a nanosatellite from a free-flying microsatellite, marking a big step forward for efforts to clear space junk using solar sails.