After a helium flow issue temporarily grounded the Artemis II SLS rocket, NASA announced they'd found the root cause of the problem that delayed the return-to-the-moon mission — a dislodged seal that ...

NASA cleared its moon rocket on Thursday for an April launch with four astronauts after completing the latest round of repairs.

The massive rocket that will propel four astronauts into deep space had to be moved off the launchpad for repairs.