On Thursday evening, NASA is sending a new, $23 million toilet to the International Space Station. It's meant as a test: Astronauts on the ISS will test the toilet out before NASA installs an ...

The International Space Station (ISS) is equipped with specialized toilets designed to handle the unique challenges of zero gravity, where liquids do not flow but accumulate in floating globules.

Tech billionaire Elon Musk took to the Twitter to reveal that there were "challenges" with the toilet during SpaceX's first entirely private trip to space and promised upgrades for future mission.