Webb Telescope Discovers Exoplanet With Stone Clouds That Vanish at Sunset

Somewhere in the vast catalog of distant worlds, astronomers have found a planet that rewrites the grammar of weather itself — a place where clouds made of stone and sand are born with the dawn and erased by dusk, every single day. Using the James Webb Space Telescope's infrared vision, researchers at Johns Hopkins University pierced the atmospheric veil of this gas giant and witnessed mineral cycles that existing planetary science cannot yet fully explain. The discovery is less a final answer than an opening question, one that invites us to reckon with how narrow our understanding of atmosphe