A SpaceX Falcon 9 rocket on Aug. 21, 2025, launched the U.S. Air Force X-37B spaceplane to low Earth orbit for its eighth mission. Credit: SpaceX livestream WASHINGTON — A SpaceX Falcon 9 rocket on Aug. 21 launched the U.S. Air Force X-37B spaceplane to low Earth orbit for its eighth mission.  To continue reading this article: Register now and get3 free articles every month. You’ll also receive our weekly SpaceNews This Week newsletter every Friday. Opt-out at any time. Sign in to an existi...