No return date for Nasa astronauts who went to space station in Boeing capsule

The Starliner spacecraft docked to the Harmony module of the International Space Station (Nasa via AP)
Two Nasa astronauts will stay longer at the International Space Station as engineers troubleshoot problems on Boeing’s new space capsule that cropped up on the trip there.
Nasa on Friday did not set a return date until testing on the ground was complete and said the astronauts were safe.