Supernova

Space Cosmic blast looked like a kilonova, then turned into a superkilonova mystery

A puzzling 2025 event looked like a kilonova, then a supernova. Scientists ask if it was a rare “superkilonova.”

Space 10 billion-year-old supernova sheds new light on cosmic expansion and dark energy Joseph Shavit

Space Universal expansion may be slowing down rather than speeding up Joseph Shavit

Space Dark energy may have caused the universe to expand rather than contract

Space Astronomers discover massive bubble around dying star

Space Fist-of-its-kind supernova offers rare look into the explosive death of a star

Space Strange neutrino interactions could change how stars die, study finds

Space Astronomers find first visual proof of a star exploding twice

Space White dwarf duo reveals the origins of the universe’s brightest explosions

Space Perfectly shaped cosmic bubble in space baffles astronomers

Space Supernova explosion blamed for two extinction events on Earth

Space New supernova discovery may hold key to the history of the Universe

Space 4,000 white dwarf star explosions revolutionize dark energy research

Space Astrophysicists solve mystery of last historical supernova from 1181 AD

Discoveries Once-in-a-lifetime stellar explosion will be visible to all this summer

Discoveries Scientists discover new type of explosion that is brighter than 100 billion stars

Discoveries First-ever radio waves observed from a white dwarf star supernova