supernova

Quenched Galaxies in the Early Universe

Recently, much attention has been given to massive, active galaxies discovered by the JWST in the early universe. But in…

6 months ago

Hubble Sees a Mysterious Flash in Between Galaxies

Hubble and other observatories worldwide have witnessed a Luminous Fast Blue Optical event between two galaxies.

6 months ago

A Star Threw Off a Sun’s Worth of Material. And Then it Exploded!

What happens just before a massive star explodes as a supernova? To figure that out, astronomers need to look at…

6 months ago

Astronomers Have Been Watching a Supernova’s Debris Cloud Expand for Decades with Hubble

Twenty thousand years ago, a star in the constellation Cygnus went supernova. Like all supernovae, the explosion released a staggering…

6 months ago

Astronomers Watched a Massive Star Just… Disappear. Now JWST Might Have Some Answers

In 2009, astronomers watched a bizarre mystery unfold. An enormous star, with 25 times the mass of the Sun, faded…

6 months ago

Supernovae Struck the Earth 3 Million and 7 Million Years Ago

A recent study examines how the Earth was hit by blasts from supernovae (plural form of supernova (SN)) that occurred…

6 months ago

This 3D Simulation of a Supernova Needed 5 Million Hours of Supercomputing

When the largest stars in the Universe run out of fuel, they detonate as supernovae, collapsing inward and leaving behind…

6 months ago

A New Observatory Will Spot Core-Collapse Supernovae Before They Explode

Although we haven't had a supernova explode nearby in a few hundred years, it's just a matter of time before…

6 months ago

The Closest Supernova Seen in the Modern Era, Examined by JWST

In 1987, a supernova suddenly appeared in the Large Magellanic Cloud and was studied by astronomers worldwide. Although the detonating…

7 months ago

Did this Supernova Explode Twice?

All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type…

7 months ago