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astrophysics

Artists impression of AGN driven outflows from a dwarf galaxy
Abstractions blog

Big Black Holes Found in the Smallest Galaxies

Tiny, dim “dwarf” galaxies have been found to hide gas-spewing black holes.

planetary science

Wandering Space Rocks Help Solve Mysteries of Planet Formation

After an interstellar asteroid shot past the sun, scientists realized that there’s probably a lot of itinerant rocks out there.

Art for "The Sun Is Stranger Than Astrophysicists Imagined"
astrophysics

The Sun Is Stranger Than Astrophysicists Imagined

The sun radiates far more high-frequency light than expected, raising questions about unknown features of the sun’s magnetic field and the possibility of even more exotic physics.

Art for "Dark Matter Gets a Reprieve in New Analysis"
Abstractions blog

Dark Matter Gets a Reprieve in New Analysis

A strange glow coming from the Milky Way’s center was thought to be due to ordinary pulsars. But a new look at a years-old study shows that dark matter might still be responsible.

Q&A

The Astronomer Who’d Rather Build Space Cameras

Jim Gunn shaped the theory of the evolution of the cosmos before building cameras and spectrographs for major observatories like the Hubble Space Telescope.

Art for "What the Sight of a Black Hole Means to a Black Hole Physicist"
Quantized Columns

What the Sight of a Black Hole Means to a Black Hole Physicist

The astrophysicist Janna Levin reflects on the newly unveiled, first-ever photograph of a black hole.

machine learning

How Artificial Intelligence Is Changing Science

The latest AI algorithms are probing the evolution of galaxies, calculating quantum wave functions, discovering new chemical compounds and more. Is there anything that scientists do that can’t be automated?

Art for "Galaxy Simulations Offer a New Solution to the Fermi Paradox "
Abstractions blog

Galaxy Simulations Offer a New Solution to the Fermi Paradox

Astronomers claim in a new paper that star motions should make it easy for civilizations to spread across the galaxy, but still we might find ourselves alone.

Photo lede for "With a Second Repeating Radio Burst, Astronomers Close In on an Explanation"
astrophysics

With a Second Repeating Radio Burst, Astronomers Close In on an Explanation

Brief cosmic blips called fast radio bursts have puzzled astronomers since their discovery earlier this decade. Now researchers appear to be close to understanding what powers them.