Nasa's giant Moon rocket has returned to its launch pad for a second time, ahead of a mission to send astronauts around the Moon – something not attempted in more than 50 years.

About two weeks ahead of the next possible launch window, NASA said on Friday that it has moved the rocket system for its delayed Artemis 2 lunar mission back to the launch pad.

NASA is targeting April 1 as the earliest possible launch of the rocket sending NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy...