An international team analyzed data from NASA's Fermi space telescope and detected gamma rays from a rare and exceptionally ...

A dying massive star does not go quietly. Its core collapses, matter crashes inward, neutrinos pour out in staggering numbers ...

NASA’s Fermi telescope may have finally uncovered the magnetic powerhouse behind the universe’s brightest supernovae.

"The supernova was named 'supernova Hope' since it gives astronomers hope to better understand the universe’s changing expansion rate." When you purchase through links on our site, we may earn an ...

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 ...

A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up as several copies at once, scattered around two foreground galaxies. The ...

A type Ia supernova occurs when a white dwarf — the cooling remnant of an aging star — draws hydrogen from a companion sun. When the dwarf reaches 1.4 times the mass of the Sun, the star spontaneously ...

Supernova that lit up Earth's skies 843 years ago has a flowering 'zombie star' at its heart — and it's still exploding A new animated map sheds light on the superhot "zombie star" at the heart of a ...