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cosmology

Latest Articles

Q&A

How to Understand the Universe When You’re Stuck Inside of It

By Amanda Gefter
June 27, 2019
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Lee Smolin’s radical idea to reimagine how we view the universe.

cosmology

Physicists Debate Hawking’s Idea That the Universe Had No Beginning

By Natalie Wolchover
June 6, 2019
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A recent challenge to Stephen Hawking’s biggest idea — about how the universe might have come from nothing — has cosmologists choosing sides.

Q&A

The Astronomer Who’d Rather Build Space Cameras

By Ann Finkbeiner
April 18, 2019
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Jim Gunn shaped the theory of the evolution of the cosmos before building cameras and spectrographs for major observatories like the Hubble Space Telescope.

Art for "The Physics Still Hiding in the Higgs Boson"
Abstractions blog

The Physics Still Hiding in the Higgs Boson

By Natalie Wolchover
March 4, 2019
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No new particles have been found at the Large Hadron Collider since the Higgs boson in 2012, but physicists say there’s much we can still learn from the Higgs itself.

Valeria Pettorino in the woods near CosmoStat
Q&A

An Italian Cosmologist Who Wanders in Dante’s Dark Wood

By Siobhan Roberts
November 13, 2018
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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.

Art for "A Short History of the Missing Universe"
Abstractions blog

A Short History of the Missing Universe

By Katia Moskvitch
September 19, 2018
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Astronomers have known where the universe’s missing matter has been hiding for the past 20 years. So why did it take so long to find it?

Abstractions blog

A New Test for the Leading Big Bang Theory

By Natalie Wolchover
September 11, 2018
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Cosmologists have predicted the existence of an oscillating signal that could distinguish between cosmic inflation and alternative theories of the universe’s birth.

astrophysics

The Last of the Universe’s Ordinary Matter Has Been Found

By Katia Moskvitch
September 10, 2018
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For decades, astronomers weren’t able to find all of the atomic matter in the universe. A series of recent papers has revealed where it’s been hiding.

Art for "Dark Energy May Be Incompatible With String Theory"
theoretical physics

Dark Energy May Be Incompatible With String Theory

By Natalie Wolchover
August 9, 2018
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A controversial new paper argues that universes with dark energy profiles like ours do not exist in the “landscape” of universes allowed by string theory.


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