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theoretical physics

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A white wave on a black background.
quantum physics

Massive Black Holes Shown to Act Like Quantum Particles

By Charlie Wood
March 29, 2022
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Physicists are using quantum math to understand what happens when black holes collide. In a surprise, they’ve shown that a single particle can describe a collision’s entire gravitational wave.

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.

particle physics

The Mysterious Forces Inside the Nucleus Grow a Little Less Strange

By Charlie Wood
February 14, 2022
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The strong force holds protons and neutrons together, but the theory behind it is largely inscrutable. Two new approaches show how it works.

quantum physics

Quantum Complexity Tamed by Machine Learning

By Charlie Wood
February 7, 2022
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If only scientists understood exactly how electrons act in molecules, they’d be able to predict the behavior of everything from experimental drugs to high-temperature superconductors. Following decades of physics-based insights, artificial intelligence systems are taking the next leap.

quantum gravity

In a Numerical Coincidence, Some See Evidence for String Theory

By Natalie Wolchover
January 21, 2022
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In a quest to map out a quantum theory of gravity, researchers have used logical rules to calculate how much Einstein’s theory must change. The result matches string theory perfectly.

A sphere enclosing a space with hyperbolic geometry.
quantum gravity

Symmetries Reveal Clues About the Holographic Universe

By Katie McCormick
January 12, 2022
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Physicists have been busy exploring how our universe might emerge like a hologram out of a two-dimensional sheet. New clues have come from the symmetries found on an infinitely distant “celestial sphere.”

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.

Illustration of labyrinth with a large sphere representing the neutrino at center. People with flashlights explore the paths.
particle physics

Is the Great Neutrino Puzzle Pointing to Multiple Missing Particles?

By Thomas Lewton
October 28, 2021
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Years of conflicting neutrino measurements have led physicists to propose a “dark sector” of invisible particles — one that could simultaneously explain dark matter, the puzzling expansion of the universe, and other mysteries.

Illustration of various kinds of clocks floating against a pink background.
quantum information theory

The New Thermodynamic Understanding of Clocks

By Natalie Wolchover
August 31, 2021
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Investigations of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself.


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