NASA's Boeing Starliner has returned from space after hiccups with a three-month flight test, but its crew will continue its work until next year.
Why it matters: NASA and Boeing found "helium leaks and experienced issues with the spacecraft's reaction control thrusters," the day after astronauts Butch Wilmore and Suni Williams launched on June 5 from Cape Canaveral Space Force Station in Florida, NASA says in a news release.
