New research indicates that matter ejected during the supernova death of a star can fall back to neutrons stars, giving rise ...

A fast radio burst, or a strong pulse of energy, was tracked to a distant long-dead galaxy that astronomers never thought could produce such a signal.

"Most of the external layers of a massive star are removed during the supernova, but some material falls back, making the neutron star spin faster." Out in the universe lie dead stellar remnants ...