Nature Astronomy James Webb Space Telescope reveals new atmospheric features on Exoplanet K2-18 bScience A massive quiescent galaxy at redshift 4.65 observed by JWSTApJ Discovery of a potentially habitable super-Earth around a nearby M-dwarf starMNRAS High-resolution spectroscopic analysis of pristine cometary structuresNature Astronomy James Webb Space Telescope reveals new atmospheric features on Exoplanet K2-18 bScience A massive quiescent galaxy at redshift 4.65 observed by JWSTApJ Discovery of a potentially habitable super-Earth around a nearby M-dwarf starMNRAS High-resolution spectroscopic analysis of pristine cometary structures