What's up in


Center of the Milky Way
Abstractions blog

An Alternative to Dark Matter Passes Critical Test

July 28, 2020

Modified gravity theories have never been able to describe the universe’s first light. A new formulation does.

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.

Andromeda galaxy
Abstractions blog

How Superfluid Dark Matter Mimics an Old Idea About Gravity

June 13, 2017

Does the force of gravity change at large scales? Perhaps not, but a new theory of dark matter shows why that could appear to be the case.

Erik Verlinde by Ilvy Njiokiktjien for Quanta Magazine

The Case Against Dark Matter

November 29, 2016

A proposed theory of gravity does away with dark matter, even as new astrophysical findings challenge the need for galaxies full of the invisible mystery particles.