Nearby Supernova Should Be Common, So Why Aren't They?

Two supernovae should appear in our galaxy every century, so why have we not seen one in 400 years?

I photographed a star exploding … 40,000 years after it actually blew up. This is a supernova remnant called the Spaghetti Nebula. [OC] : r/space

How Stars Explode

Ultraviolet flash detected by astronomers after 'peculiar' supernova

Multiple supernovas may have implanted our solar system with the seeds of planets

Nearby Supernovas Pose An Extra Previously Unconsidered Threat To Life

A rare glimpse at a relatively nearby supernova offers clues to how stars die

Bad Astronomy, The closest supernova candidate?

Iron from ancient supernovae may still be raining down on Earth, NOVA

Unusually brightening star captures attention as a stellar oddity

Did a supernova cause Earth's mass extinction 360 million years ago?