supernova

A Black Hole or Neutron Star Fell Into Another Star and Triggered a Supernova

What happens when you slam a neutron star (or black hole, take your pick) into a companion star? A supernova,…

1 month ago

Heavier Stars Might not Explode as Supernovae, Just Quietly Implode Into Black Holes

Above a certain mass, large stars don't become supernovae. That limit might be lower than we thought.

2 months ago

Astronomers Locate the Source of High-Energy Cosmic Rays

Using a novel approach, a team of researchers has confirmed that the elusive source of cosmic rays is indeed supernova…

2 months ago

It Turns out There Were Supernovae Exploding all Over, we Just Couldn’t see Them

When the poet Horace said “We are but dust and shadow”, he probably didn’t think that dust itself could create…

2 months ago

From the way These Stars Look, a Supernova is Inevitable

Sometimes loud explosions are easier to deal with when you know they’re coming.  They are also easier to watch out…

3 months ago

Astronomers saw the Same Supernova Three Times Thanks to Gravitational Lensing. And in Twenty Years They Think They’ll see it one More Time

It is hard for humans to wrap their heads around the fact that there are galaxies so far away that…

4 months ago

White Dwarf Measured Before it Exploded as a Supernova

Using isotope measurements of a supernova remnant, astronomers have calculated the core density of a white dwarf before it exploded.

4 months ago

Supernova Observed by Astronomers in 1181 Could Have Been a Rare Type 1ax That Leaves Behind a “Zombie Star” Remnant

In 1181 CE, Chinese and Japanese astronomers noticed a "guest star" as bright as Saturn briefly appearing in their night…

4 months ago

Shrapnel From Relatively Recent Supernovae Found in the Earth’s Crust

A Japanese oil exploration company recently dug up some samples from the Pacific Ocean floor and donated them to researchers. …

5 months ago

Exploding Stars are Titanium Factories

If you're a fan of titanium, you should head to the nearest supernova. You'll get more than enough of it.…

5 months ago