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pulsars

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.

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

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 Extreme Radio Bursts
astrophysics

Astronomers Trace Radio Burst to Extreme Cosmic Neighborhood

January 10, 2018

A mysterious object that repeatedly bursts with ultra-powerful radio waves must live in an extreme environment — something like the one around a supermassive black hole.

An artist’s view of a pulsar near the center of the Messier 82 galaxy.
astrophysics

Galactic Glow, Thought to Be Dark Matter, Now Hints at Hidden Pulsars

November 14, 2017

A number of high-energy anomalies raised hopes that astrophysicists had seen their first direct glimpses of dark matter. New studies suggest a different source may be responsible.