NASA plans to launch four astronauts on a long-awaited trip around the moon as early as April 1, it announced Thursday.

Nasa says it's on track to launch its Artemis II mission in early April, which will see astronauts fly around the Moon for the first time in more than 50 years.

Although NASA managed to plug the hydrogen fuel leaks at the pad in February, a helium-flow issue forced the space agency to return the rocket to the Vehicle Assembly Building for repairs, bumping the...