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astrophysics

Latest Articles

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?

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 "Star-Swallowing Black Holes Burp Out Their Secrets"
astrophysics

Star-Swallowing Black Holes Reveal Secrets in Exotic Light Shows

By Joshua Sokol
August 8, 2018
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Black holes occasionally reveal themselves when passing stars get ripped apart by their gravity. These tidal disruption events have created a new way for astronomers to map the hidden cosmos.

Art for "Neutrinos Linked With Cosmic Source For the First Time"
astrophysics

Neutrinos Linked With Cosmic Source for the First Time

By Katia Moskvitch
July 12, 2018
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High-energy neutrinos have been traced back to a flaring supermassive black hole known as a blazar. The long-sought link opens the door to an entirely new way to study the universe.

Photo of the sun
Abstractions blog

What Is the Sun Made Of and When Will It Die?

By Natalie Wolchover
July 5, 2018
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If and when physicists are able to pin down the metal content of the sun, that number could upend much of what we thought we knew about the evolution and life span of stars.

Illustration for "Why Can’t We Find Planet Nine?"
Abstractions blog

Why Can’t We Find Planet Nine?

By Charlie Wood
July 3, 2018
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Astronomers suspect that there’s a large planet hiding out in the distant fringes of the solar system. At a recent workshop, they brainstormed ways to coax it into view.

Photo for "The Milky Way Once Collided With Another Galaxy"
Abstractions blog

The Young Milky Way Collided With a Dwarf Galaxy

By Ramin Skibba
June 28, 2018
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Astronomers have found stars dating from a long-ago collision between the Milky Way and another galaxy. The crash helps to explain why the Milky Way looks the way it does.

Illustration of a galaxy simulation.
cosmology

The Universe Is Not a Simulation, but We Can Now Simulate It

By Natalie Wolchover
June 12, 2018
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Computer simulations have become so accurate that cosmologists can now use them to study dark matter, supermassive black holes and other mysteries of the real evolving cosmos.

Photo of Emmanuelle Charpentier, Virginijus Šikšnys, Jennifer Doudna
Abstractions blog

CRISPR Gene-Editing Pioneers Win Kavli Prize for Nanoscience

By John Rennie
May 31, 2018
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The inventors of a “Swiss army knife” for genome editing received prestigious honors, as did pioneering scientists in astrophysics and neuroscience.


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