HOUSTON—The Ad Astra Rocket Co. has completed a 30-month NASA contract to continue advancing its Variable Specific Impulse Magnetoplasma Rocket (VASIMR) concept with the potential to reach Mars ...

A SpaceX rocket launch from the California coast is now scheduled for shortly before sunrise Sunday and could be visible from the Coachella Valley. Officials at Vandenberg Space Force Base ...

SpaceX pushed back plans early Friday morning to launch its Falcon 9 rocket. The company scrubbed its 1:24 a.m. scheduled liftoff and announced it would instead attempt the launch Friday night.