Boeing Starliner

Since the astronauts arrived at the space station in June, Boeing and NASA have been investigating issues on the Starliner spacecraft, including helium leaks and faulty thrusters.

SpaceX’s Crew Dragon capsule has launched three astronaut missions since last year, but Boeing is still trying to certify its vehicle for human spaceflight.

Boeing engineers continue to troubleshoot an issue with its Starliner's propulsion system that delayed an uncrewed launch of the space capsule last week.

Boeing and NASA are calling off a launch attempt Wednesday of the Starliner capsule after engineers discovered an issue with the spacecraft's propulsion system.

It is scheduled for no earlier than March 25.

Boeing safely landed its crew capsule in the New Mexico desert Sunday after an aborted flight to the International Space Station that threatened to set…

After a flawless launch from Cape Canaveral, Fla., the crew capsule, loaded with 600 pounds of cargo for the station, was unable to reach its intended orbit, Boeing says.