The brightest burst of gamma rays ever recorded was caused by the collapse and explosion of a massive star—a supernova. That’s according to a paper published last week in Nature Astronomy that used ...

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

Scientists at Northwestern University said Friday they had confirmed that the cause of the brightest gamma-ray burst ever observed (the circled infrared afterglow and host galaxy pictured 1-2 months ...

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.

Wa-hoo! One of the closest supernovas in years was discovered at a very early stage in the bright galaxy M101, the Pinwheel Galaxy, in Ursa Major. The galaxy can be found just above the Handle of the ...

Until now NGC 5584 was just one galaxy among many others, located to the West of the Virgo Cluster. Known only as a number in galaxy surveys, its sheer beauty is now revealed in all its glory in a new ...

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

In 2022, astronomers discovered the brightest gamma-ray burst (GRB) of all time. Now, astronomers confirm that a 'normal' supernova, the telltale sign of a stellar collapse, accompanied the GRB. The ...