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JWST

22 articles
A cosmic magnifying glass could reveal the same supernova two more times in roughly 70 years science In a big star-forming nebula, JWST finds the smallest failed stars jurnal JWST tracks more than 100 magnified stellar events in the Dragon galaxy science Giant planet emerges from two-year-old JWST data thanks to glare-removal technique science JWST may have found where heavy black hole seeds formed science JWST reveals a distant galaxy that may let most of its ionizing radiation escape science JWST and ALMA reveal a dusty, rapidly growing black hole in the early universe science The early universe wasn’t nearly as pristine as scientists thought science James Webb reveals why planet formation is a race against time science JWST finds early galaxies were already seeding the universe with heavy elements science JWST’s mysterious little red dots may be black holes growing at incredible speeds science JWST ruled out finding tiny moons around an exoplanet—that's great news science JWST discovers that Chariklo's invisible rings are changing science JWST finds extreme star-forming galaxies masquerading as faint quasars science ‘Not-quite-primordial’ black holes may explain baffling JWST discovery science JWST reveals likely Type II supernova from when universe was only 2 billion years old science JWST may solve a 20-year mystery behind a rule-breaking gamma-ray burst science JWST reveals a race against time for forming planets science JWST peeks at Callisto's ancient scars science JWST finds early galaxies may be 4 times more massive than thought science Neptune’s tiny moons may be the wreckage of shattered ancient worlds science JWST spots a bizarre “black hole star” 100 billion times brighter than a star science