Nasa’s Artemis astronauts enter quarantine ahead of Moon mission

The four Nasa astronauts of the Artemis II crew pose in front of an Orion simulator on 23 January at the Johnson Space Center in Houston, Texas - (Nasa)

Four astronauts have entered quarantine ahead of the first mission around the Moon in more than 50 years.

The Artemis II mission is scheduled to lift off at some point next month, with Nasa rolling out the rocket earlier this month ahead of the launch window opening in early February.