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Black holes on a blue swirly background.
Abstractions blog

Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos

February 17, 2021

One black hole is nice, but astrophysicists can do a lot more science with 50 of them.

An abstract black ball on a blue background.
Abstractions blog

In Violation of Einstein, Black Holes Might Have ‘Hair’

February 11, 2021

A new study shows that extreme black holes could break the famous “no-hair” theorem, and in a way that we could detect.

Historical star chart of the constellation Monoceros.
Abstractions blog

‘Unicorn’ Discovery Points to a New Population of Black Holes

January 27, 2021

Small black holes were nowhere to be found, leading astronomers to wonder if they didn’t exist at all. Now a series of findings, including a “unicorn” black hole, has raised hopes of solving the decade-long mystery.

Abstractions blog

Secret Ingredient Found to Power Supernovas

January 21, 2021

Three-dimensional supernova simulations have solved the mystery of why they explode at all.

The Milky Way galaxy shown in X-rays.
Abstractions blog

Galaxy-Size Bubbles Discovered Towering Over the Milky Way

January 6, 2021

For decades, astronomers debated whether a particular smudge was close-by and small, or distant and huge. A new X-ray map supports the massive option.

Abstractions blog

Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse

December 17, 2020

We don’t know why the universe appears to be expanding faster than it should. New ultra-precise distance measurements have only intensified the problem.

A computer simulation of two galaxies colliding.

The New History of the Milky Way

December 15, 2020

Over the past two years, astronomers have rewritten the story of our galaxy.

A pink beam at the center of a metallic experimental apparatus.
Abstractions blog

Physicists Pin Down Nuclear Reaction From Moments After the Big Bang

November 11, 2020

The newly-measured rate of a key nuclear fusion process from the Big Bang matches the picture of the universe 380,000 years later.

Cora Dvorkin in front of a starry backdrop.
Hidden Structure

The Cosmologist Who Dreams in the Universe’s Dark Threads

November 5, 2020

Cora Dvorkin discovered new possibilities for what dark matter could be. Now she’s devising unorthodox ways to identify it.