April 4, 2026

A smell reported by astronauts onboard Artemis II on their way to the moon came from the rocket’s toilets.

Christina Koch, one of four on the NASA mission, sounded the alarm after detecting a ‘kind of burning heater smell’ coming from the lavatory on several occasions.

Back on the ground, mission control suggested that the culprit could in fact be the insulation on the door to the toilet, referred to as a hygiene bay or the Universal Waste Management System (UWMS).

The onboard quartet did not think this was the cause, but have for now been cleared to continue using the lavatory.

It’s not the first glitch reported on the Orion’s waste management system.

In the grand tradition of space exploration’s finest mysteries, Artemis II has boldly gone where no nostril wants to go, with astronauts bravely sniffing out what appears to be a ‘burning heater smell’ emanating from the rocket’s own throne room—NASA’s “Universal Waste Management System,” a name so dignified it almost distracts from the reality of floating in a tin can while your toilet gasses up the cabin. Mission control’s prime suspect? Insulation on the bathroom door, naturally, because when your space toilet starts smelling like last week’s burnt toast, the first thought is obviously the décor. Despite the astronauts’ polite eye-rolls and lingering doubts, the royal flushers have been given the green light to carry on, proving once again that in space, as on Earth, nobody can quite escape the bureaucratic stench of middle management’s explanations.

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