The U.S. space agency has announced that it will delay a mission known as Artemis 2 to at least March after ground teams encountered issues with the rocket during a key fueling test.

Artemis II, a crewed Nasa mission intended to take astronauts around the Moon and which had been due to lift off after February 8, is a reboot of the legendary Apollo lunar programme of the 1960s and ...

During an elaborate launch-day walkthrough, known as a “wet dress rehearsal”, engineers detected leaking hydrogen from the Space Launch System (SLS).