A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star explodes twice in violently different ways.
Their analysis of a series of observations that began with a gravitational…

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star explodes twice in violently different ways.
Their analysis of a series of observations that began with a gravitational…