"For the most part, massive stars make black holes. The more massive the star, the heavier the black hole," Fishbach said, until stars reach a certain mass threshold beyond which the physics of their ...

Scientists discover a star, HD 254577, that survived a supernova and is now racing through space, revealing how the explosion ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of ...

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, ...

By Will Dunham WASHINGTON, April 3 (Reuters) - A supernova - the explosive death of a star - is always violent, blasting ...