Webb confirms the coldest planet ever found. It’s orbiting a white dwarfResearchers, using the James Webb Space Telescope (JWST), have confirmed WD 1856 534 b as the coldest exoplanet ever observed.The exoplanet is a gas giant and orbits a white dwarf star, being the first transiting planet known to do so.The observations will contribute to the study of planetary systems after stellar death and the potential for habitable conditions in stellar remnants.