NASA will wait at least another two days to launch its next space station crew, delaying the return of Starliner astronauts ...

A launch pad issue forced SpaceX and NASA to delay its mission to the International Space Station (ISS) on Wednesday, postponing the arrival of a replacement crew for astronauts Butch Wilmore and Suni ...

and do the rest of the long-duration mission," ISS program manager Dana Weigel explained Friday during a flight readiness review (FRR) press briefing for the upcoming astronaut launch. That flight ...

(CNN) — A crew of international astronauts slated ... of two clamps that hold on to the upper portion of the rocket as it sits vertically on the ground pad before launch.

The Starliner saga is a step closer to its end with the launch of a SpaceX vehicle that will relieve the astronauts who flew on the Boeing spacecraft.

NASA and SpaceX decided against launching Wednesday over a ground issue on the hydraulic system for clamp arms holding the Falcon 9 rocket in place on the launch pad, according to a NASA livestream.

A crew of international astronauts ... off the launch attempt because of an issue with the launchpad’s ground system. The problem stemmed from a hydraulics system used to control one of two clamps ...