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cosmology

Latest Articles

Video in which a white circle appears in the center of a blue starry field and grows until whiteness engulfs the whole image.
explainers

How the Physics of Nothing Underlies Everything

By Charlie Wood
August 9, 2022
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The key to understanding the origin and fate of the universe may be a more complete understanding of the vacuum.

The Joy of Why

Deep Curiosity Inspires The Joy of Why Podcast

By Steven Strogatz
March 17, 2022
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The noted mathematician and author Steven Strogatz explains how the conversations with experts in his new Quanta Magazine podcast address his lifelong fascination with timeless mysteries.

particle physics

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

By Natalie Wolchover
March 1, 2022
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Physicists are reexamining a longstanding assumption: that big stuff consists of smaller stuff.

astronomy

Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’

By Ben Brubaker
February 28, 2022
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When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing.

Q&A

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

By Thomas Lewton
February 23, 2022
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Celia Escamilla-Rivera is combining large data sets with supercomputers to test general relativity against its little-known competitors.

Video that zooms out from a close-up of a few simulated galaxies to a panoramic view of many different cube-shaped universes.
astrophysics

Any Single Galaxy Reveals the Composition of an Entire Universe

By Charlie Wood
January 20, 2022
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In computer simulations of possible universes, researchers have discovered that a neural network can infer the amount of matter in a whole universe by studying just one of its galaxies.

cosmology

Cosmologists Parry Attacks on the Vaunted Cosmological Principle

By Charlie Wood
December 13, 2021
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A central pillar of cosmology — the universe is the same everywhere and in all directions — is surviving a storm of possible evidence against it.

Collage illustration of the JWST
astrophysics

The Webb Space Telescope Will Rewrite Cosmic History. If It Works.

By Natalie Wolchover
December 3, 2021
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The James Webb Space Telescope has the potential to rewrite the history of the cosmos and reshape humanity’s position within it. But first, a lot of things have to work just right.

Galaxies in triangular formations expanding.
cosmology

Laws of Logic Lead to New Restrictions on the Big Bang

By Charlie Wood
November 10, 2021
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Physicists are translating commonsense principles into strict mathematical constraints on how our universe must have behaved at the beginning of time.


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