supernova
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…
Supernovae are the Source of Dust in Early Galaxies
Dust is the building block for much of the Universe, including the planet you were born on. But where did…
Astronomers See the Same Supernova Four Times Thanks to a Gravitational Lens
Thanks to a well-placed gravitational lens, a team of astronomers was able to observe a supernova four times!
Gemini North Returns to Service Just in Time to See a New Supernova
The 8-meter Gemini North telescope has been brought back online after seven months of repairs and refurbishment of its primary…
Betelgeuse is Almost 50% Brighter Than Normal. What’s Going On?
Whenever something happens with Betelgeuse, speculations about it exploding as a supernova proliferate. It would be cool if it did.…
Not All Type 1a Supernovae are Created Equally
New research shows that there are variations in how white dwarfs explode.
The Largest Explosion Ever Seen in the Universe
Astronomers have witnessed the most powerful supernova on record, which could provide insight into the forces that shape galaxies.
You Don't Want to Be Within 160 Light-Years of a Supernova
When it comes to supernovae, what is the minimum safe distance for habitable planets? Larger than we thought.
It’s Time for Supernova Remnant Cassiopeia A to Get the JWST Treatment
Ready for another stunning image from JWST? How about a peek inside a supernova remnant? Not just any stellar debris,…
Did Supernovae Help Push Life to Become More Diverse?
Life on Earth has been around for a long time—at least 3.8 billion years. During that time, it evolved significantly.…