Supernovae

The Brightest Gamma Ray Burst Ever Seen Came from a Collapsing Star

After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on…

2 months ago

The Large Magellanic Cloud isn’t Very Metal

The Large Magellanic Cloud (LMC) is the Milky Way's most massive satellite galaxy. Because it's so easily observed, astronomers have…

2 months ago

Astronomers Catch a Supernova Explode Almost in Realtime

Catching a supernova in action is tricky business. There is no way to predict them, and they don’t occur very…

2 months ago

Even if We Can’t See the First Stars, We Could Detect Their Impact on the First Galaxies

For a long time, our understanding of the Universe's first galaxies leaned heavily on theory. The light from that age…

3 months ago

This Galaxy Hosted One of the Most Powerful Supernovae Ever Seen

In 2010, an exceptionally luminous supernova exploded in a small galaxy about 150 million light-years away called UGC 5189A. The…

4 months ago

Webb Sees a Supernova Go Off in a Gravitationally Lensed Galaxy – for the Second Time

Nature, in its infinite inventiveness, provides natural astronomical lenses that allow us to see objects beyond the normal reach of…

5 months ago

The Second Most Energetic Cosmic Ray Ever Found

"Oh My God," someone must have said in 1991 when researchers detected the most energetic cosmic ray ever to strike…

6 months ago

An Amateur Astronomer Discovered One-of-a-Kind Supernova Remnant

In 2013, amateur astronomer Dana Patchick was looking through images from the Wide-field Infrared Survey Explorer archive and discovered a…

7 months ago

This Dark Nebula Hides an Enormous Star

The birth of a star is a spectacular event that plays out behind a veil of gas and dust. It's…

7 months ago

A Machine Learning Algorithm Finds its First Supernova

Plenty of recent mainstream news articles have touted AI's ability to assist in the process of scientific discovery. But most…

7 months ago