Astronomers caught a massive star exploding 500 million light-years away almost from the moment the event began. A brief ...

In March, a brief flash of X-rays lit up the sky in a distant galaxy. It lasted only moments, but it carried a profound ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

Astronomers are puzzling over an oddball gamma ray burst that may have accompanied a supernova that is still in the process of brightening. NASA’s Swift satellite detected a burst of high-energy gamma ...

A supernova is one of the most powerful events that can happen in the Universe - we are talking, after all, about a star exploding – and because of that, they have always been actively researched by ...