Corey S Powell | JWST's giant eye has detected dozens of supernovae exploding in the very distant, early universe. Not only are we learning about how stars lived billions of years ago -- now we're learning about how they died, back when the composition of the universe w as starkly different than it is today. https:// science.nasa.gov/missions/webb /nasas-webb-opens-new-window-on-supernova-science/ # space # science # nasa # astronomy # JWST