NASA is uncertain when Boeing’s Starliner will fly Sunita Williams again, as propulsion issues and delays push its next mission to 2025. Williams will now return on SpaceX's Crew Dragon.

In August this year, NASA decided to return Boeing’s Starliner to Earth without humans aboard the spacecraft – keeping in view the safety of astronauts Sunita Williams and Butch Wilmore.

National Aeronautics and Space Administration (NASA) has confirmed that astronauts Sunita Williams and Barry Wilmore, who launched abo..|News Track