In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

Astronomers have witnessed a rare cosmic event: a massive star that didn’t explode in a spectacular supernova, but instead ...

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

The star used to be one of the brightest star in the neighboring Andromeda galaxy.

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...

Astronomers are used to dramatic endings. When a massive star dies, it usually explodes ...

An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...

It is easy to observe when stars explode in a supernova and become a black hole. It is different when they simply collapse.

This artist's animation shows a hypothe sized event known as a superkilonova . Initially, a massive star explodes in a supernova, which generates elements like carbon and iron. In the aftermath, two ...