An already dead star dies for the second time

A dead star appears to be dying again, say astronomers who have discovered a pulsar that is gradually losing its rotation.

Pulsars are a type of neutron star that is itself the remnant of a supermassive star that reached the end of its life in a supernova explosion. They get their name because they spin rapidly, at least several times per second, emitting jets that appear to “pulse” when viewed from Earth. Pulsars are thought to gradually slow down over time, eventually crossing a limit…