Trekking in the summer?! Tanisha Banerjee braved the heat to realise it’s actually a ‘cool’ thing to do

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!