Supernovae | Astronomy.com

Today in the History of Astronomy

Aug. 29, 1990: Hubble sees Supernova 1987A clearly

How AI helped uncover a new type of supernova

JWST spies the aftermath of a famous supernova

Astronomers discover a perfectly spherical supernova remnant

SN 1987A

When was the last supernova seen in the Milky Way?

Deep-Sky Objects

Explore explosive supernovae from your backyard

Galaxies, Stars

View the Cassiopeia A supernova remnant in 3D

This distant star is about to die — and astronomers caught it in close-up

Universe, Discovered

Universe, Discovered: Comet Tsuchinshan-ATLAS fades

This artist’s impression video shows how two tiny but very dense neutron stars merge and explode as a kilonova. Credit: European Southern Observatory (ESO).

Yes, an exploding star close to Earth would make for a very bad day

A clip from NOIRLab's video shows the remnants of a supernova explosion.

Exotic Objects, Science

NOIRLab releases jaw-dropping images, video of remnants from massive star explosion

JWST reveals Cas A’s tangled web of debris