Weird Supernova Challenges Scientists' Ideas About Stars

Most supernovas fade within a matter of a few months. This one lasted more than two years.
This is additional taxonomy that helps us with analytics

Strange stars that go supernova may be dimming because of dark

Oddball supernova' reveals star's death throes before exploding

New Type Neutron Star Discovered in Unusual Galactic Graveyard

Type Ia supernovae: Inside the universe's biggest blasts

Strange star holds clues about unique supernova explosions in

Impossible supernova confounds astronomers – Physics World

Unusual, long-lasting gamma-ray burst challenges theories about

Extreme weight loss: Star sheds unexpected amounts of mass just

Weird supernova remnant blows scientists' minds

Astronomers spot last gasps of dying star