Four veteran Space Shuttle ... fire and launch, the engine hardware will be cleaned and inspected and parts replaced or repaired as necessary to prepare the engines for their next firing: launch.

(Updates with the latest information) SpaceX's Falcon 9 rocket is upright on its Kennedy Space Center's launch pad ... from being oxidized during thruster firing. Three more of these thrusters ...

March 7 (UPI) --The spacecraft that will carry the next crew of astronauts to the International Space Station ... is scheduled to launch no earlier than March 12 and will shuttle the Crew-10 ...