A fishy planet

April 18, 2025

🪐 A fishy planet: Scientists just got a whiff of something suspicious on K2-18b, a distant “hycean” world 120 light-years away. While scanning its atmosphere, NASA’s James Webb Space Telescope picked up dimethyl sulfide, a gas that, here on Earth, only comes from living things like plankton. Looks like SpongeBob’s nemesis finally made it to the big time.