JWST finds rare planet with different atmospheric conditions at dawn and dusk
WASP-121 b is split between extremes. One side faces its star nonstop and burns at about 2,770 Kelvin.…
James Webb telescope shows hellish, airless exoplanet 49 light-years away
WASHINGTON, May 8 — Astronomers have gotten their clearest look yet at the surface of an exoplanet —…