The astronauts completed the first slingshot around the Moon in more than 50 years and travelled deeper into space than any humans before, culminating in a smooth splashdown off the coast of California on Friday

Artemis II is hardly the first spacecraft with toilet troubles. Post its safe return on Saturday, journalist Gulu Ezekiel recalls a conversation with US astronaut Dr Mary L Cleave, who’d jettisoned waste water from the Atlantis shuttle, resulting in a streak that was dubbed ‘Cleave’s Comet’. Talk about trailblazers!