NASA is poised to send astronauts around the moon and back for the first time in more than 50 years. The space agency's Artemis II mission will take the crew further than humans ‍have ever ventured in space before. The mission is planned for as soon as 6 February, but take-off depends on some pretty important factors. Here is everything you need to know. What is the Artemis programme? Artemis is NASA's lunar exploration programme. It aims to return humans to the moon for the first time since