How does a star the mass of our Sun explode to become brighter than a galaxy? The key may be too much helium.
Black Holes, Bright Lights
The brightest supernova observed may have been caused by a hungry black hole.
The Gilded Age
The collision of neutron stars causes a galaxy to enter a gilded age.
Lost And Found
The brightest supernova ever observed in history.
Dust Upon The Moon
A new study of Moon dust finds evidence of a supernova that occurred just 300 light years away.
When Two Become One
New observations support the idea that some supernovae are caused by the collision of white dwarf stars.
Duck And Cover
What do you do when you see the flash? In the case of a dying star, you know a supernova is coming.
Brighter Than Twenty Galaxies
A supernova known as ASASSN-15lh is more luminous than any supernova ever seen.
Eta Carinae Isn’t Alone
As far as we know, there isn’t another star like Eta Carinae in our galaxy, but new observations have found five similar stars in other galaxies.