Secret Spaceplane Launch, 75 Mice in Orbit, and Uranus’ New Moon – Space Highlights (Aug 20–21, 2025)
Roscosmos launched the Bion-M No.2 biosatellite from Baikonur on Aug. 20, sending 75 mice, over 1,000 fruit flies, and biological samples into orbit for a 30-day study. On Aug. 21, SpaceX is scheduled to launch the U.S. Space Force’s X-37B spaceplane from Kennedy Space Center, testing laser communications and a quantum inertial sensor. CAS Space’s Kinetica-1 rocket launched two Mexican ThumbSats from Jiuquan on Aug. 19.