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dark matter

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

Dark Matter Gets a Reprieve in New Analysis

April 29, 2019

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.

Photo of Priya Natarajan

An Astrophysicist Who Maps the Universe’s Terra Incognita

February 4, 2019

Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.

Art for "Missing Galaxies? Now There’s Too Many"

Missing Galaxies? Now There’s Too Many

January 9, 2019

Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.

Art for "Why the Best Place to Find Dark Matter May Be in a Rock"
dark matter

Why the Best Place to Find Dark Matter May Be in a Rock

January 7, 2019

Dark matter may occasionally interact with minerals in the earth, leaving telltale tracks that physicists hope to decipher.

Valeria Pettorino in the woods near CosmoStat

An Italian Cosmologist Who Wanders in Dante’s Dark Wood

November 13, 2018

A scientist and programmer with a literary bent, Valeria Pettorino thinks multiple angles and diverse points of view are needed to unriddle the nature of dark matter and dark energy.

Illustration of a galaxy simulation.

The Universe Is Not a Simulation, but We Can Now Simulate It

June 12, 2018

Computer simulations have become so accurate that cosmologists can now use them to study dark matter, supermassive black holes and other mysteries of the real evolving cosmos.

Photo of Large Magellan Cloud rotating clockwise.
Abstractions blog

What Astronomers Are Learning From Gaia’s New Milky Way Map

May 8, 2018

A roundup of some of the most important discoveries gleaned so far from the Gaia space observatory’s new map of the galaxy.

Lede art for "Troubled Times for Alternatives to Einstein’s Theory of Gravity"

Troubled Times for Alternatives to Einstein’s Theory of Gravity

April 30, 2018

New observations of extreme astrophysical systems have “brutally and pitilessly murdered” attempts to replace Einstein’s general theory of relativity.

Illustration for "Ultra-Accurate Clocks Lead Search for New Laws of Physics"
experimental physics

Ultra-Accurate Clocks Lead Search for New Laws of Physics

April 16, 2018

Atomic clocks are letting physicists tighten the lasso around elusive phenomena such as dark matter.