The US space agency (NASA) has formally outlined its $28bn plan to return to the Moon by 2024. As part of a program called Artemis, NASA will send a man and a woman to the lunar surface in the first landing with humans since 1972. But the agency's timeline is contingent on Congress releasing $3.2billion for building a landing system. Astronauts will travel in an Apollo-like capsule called Orion that ...