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dark energy

particle physics

A Deepening Crisis Forces Physicists to Rethink Structure of Nature’s Laws

By Natalie Wolchover
March 1, 2022
Read Later

Physicists are reexamining a longstanding assumption: that big stuff consists of smaller stuff.

Q&A

In Search of Cracks in Albert Einstein’s Theory of Gravity

By Thomas Lewton
February 23, 2022
Read Later

Celia Escamilla-Rivera is combining large data sets with supercomputers to test general relativity against its little-known competitors.

cosmology

Cosmologists Parry Attacks on the Vaunted Cosmological Principle

By Charlie Wood
December 13, 2021
Read Later

A central pillar of cosmology — the universe is the same everywhere and in all directions — is surviving a storm of possible evidence against it.

Cora Dvorkin in front of a starry backdrop.
Hidden Structure

The Cosmologist Who Dreams in the Universe’s Dark Threads

By Rebecca Boyle
November 5, 2020
Read Later

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

Claudia de Rham portrait
Q&A

The Physicist Who Slayed Gravity’s Ghosts

By Thomas Lewton
August 18, 2020
Read Later

Claudia de Rham showed how theories of “massive gravity” could potentially get rid of the need for dark energy.

Katie Mack portrait.
Q&A

This Cosmologist Knows How It’s All Going to End

By Dan Falk
June 22, 2020
Read Later

The astrophysicist and social media phenom Katie Mack is ready to tell you about the fate of the universe.

An image of space with lines emanating from a central point, as if the viewer is traveling at warp speed.
Abstractions blog

What Might Be Speeding Up the Universe’s Expansion?

By Thomas Lewton
April 27, 2020
Read Later

Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space.

Gif of a spinning sphere that has a dappled blue, green and red pattern.
Abstractions blog

How Ancient Light Reveals the Universe’s Contents

By Charlie Wood
January 28, 2020
Read Later

A photograph of the infant cosmos reveals the precise amounts of dark matter and dark energy in the universe, leaving precious little room for argument.

Supernova in galaxy NGC 5584.
Abstractions blog

No Dark Energy? No Chance, Cosmologists Contend

By Natalie Wolchover
December 17, 2019
Read Later

A study challenged the evidence for the mysterious antigravitational force known as dark energy. Then cosmologists shot back.


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