This star refuses to die, even after it explodes
Shine on little star, we believe in you.
Stars can turn into black holes without a supernova
Our assumptions about star death might be misguided.
Giant black hole could be to blame for brightest supernova ever
It was twice as bright as any other supernova observed to date.
Fossil evidence of supernovae found on the sea floor
And may reveal how exploding stars shaped Earth's history.
Astronomers witnessed a white dwarf going nova
Years of observation revealed the life cycle of hibernating stars.
A supernova once blasted the moon with radioactive iron
The material likely came from a dying star just 300 light-years away.
NASA catches the flash of a supernova for the first time
The Kepler space telescope has spotted the initial shockwave of an exploding star.
Supernovae suggest the universe is growing slower than expected
Don't look now, but what you know about the universe's growth might have been turned on its ear....
The Big Picture: A far-away supernova split into four
Gravity can play a lot of tricks with light, and we're not just talking about black holes. Take t...