Early Chinese astronomers thought the flashes of light in the sky were stars that appeared briefly then vanished.
The blast emitted more energy than the entire Milky Way galaxy for the short time it lasted and took half the age of the universe to reach us.
Supernovae are cataclysmic explosions that occur during the last evolutionary stages in the life of massive stars.
The last ever explosions will be silent fireworks that take place long after everything else in the universe has died, a study has found.
"This all-sky image completely changes the way we look at the energetic universe," said researcher Peter Predehl.
One suggestion is the star collapsed into a black hole without producing a supernova—a phenomenon that has never been identified in such a large star before.
Betelgeuse a nearby red supergiant star which is up to 20 times more massive than our sun.
The star, named J0740+6620, has a mass more than two times that of our sun, but is just 18 miles wide.
The two balloon-like structures stretch hundreds of light-years and are thought to have formed in a violent eruption seven million years ago.
The snow contained substantial quantities of dust-enriched with iron-60—which isn't naturally produced on our planet.
The exploding star system is located around 7,500 light years away in the constellation Carina (The Ship's Keel.)
These early stars may have blown up in a more violent and asymmetric fashion than previously thought.
On June 16, 201, the discovery of a strange flare in the sky was reported in an astronomical telegram.
Researchers link a supernova explosion 2.6 million years ago to the extinction of marine megafauna.
This is the first time astronomers have directly imaged the brutal phenomenon.
Scientists think Victor Buso's images are the first of their kind.
When massive stars come to the end of their life cycles, they self-destruct in a cataclysmic final explosion.
The discovery rewrites current supernova theories.
Astronomers are still figuring out what the heck happened during an explosion first spotted in 2010.
N6946-BH1 has left the universe.
The discovery could help scientists work out how fast the universe is expanding.