It's more than 50 years since humans went anywhere near the Moon — but that's about to change. After a series of delays, NASA's Artemis II mission is set to launch in early April. So what's the aim of the mission, where exactly are the astronauts headed, and why is it happening now? You can binge more episodes of the Lab Notes podcast with science editor and presenter Jonathan Webb on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more. Get in touch with us: labnotes@abc.net.au Featuring:   Jacinta Bowler, ABC science reporter Extra information: NASA delays Artemis II mission to the Moon, a day after flagging March launch Former NASA engineer warns about heat shield on Artemis II moon mission This episode of Lab Notes was produced on the lands of the Gadigal and Menang Noongar people.