Astronomers have witnessed the birth of a rapidly spinning, highly magnetized neutron star or "magnetar" for the first time. The observation of this event, triggered by the death of a massive star, ...

A supernova – the explosive death of a star – is always violent, blasting material into space while typically leaving behind a compact stellar remnant like a neutron star or black hole. But some ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...