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A Seeker of Dark Matter’s Hidden Light

The astrophysicist Tracy Slatyer is searching for faint wisps of dark matter annihilating in the early universe — and perhaps in hiding places closer to home.

Signatories of a bet placed in 2011.
Abstractions blog

Supersymmetry Bet Settled With Cognac

The absence of supersymmetry particles at the Large Hadron Collider has settled a 16-year-old bet among physicists.

Abstractions blog

New Measurement Deepens Proton Puzzle

A discrepancy in the measured size of the “deuteron” increases the chance that something is amiss in our understanding of atoms.

particle physics

What No New Particles Means for Physics

Physicists are confronting their “nightmare scenario.” What does the absence of new particles suggest about how nature works?


Moonshine Master Toys With String Theory

The physicist-mathematician Miranda Cheng is working to harness a mysterious connection between string theory, algebra and number theory.

As neutrinos change “flavors” they may illuminate the differences between matter and antimatter.
particle physics

Neutrinos Hint of Matter-Antimatter Rift

A hint that neutrinos behave differently than antineutrinos suggests an answer to one the biggest questions in physics.


Mining Black Hole Collisions for New Physics

The physicist Asimina Arvanitaki is thinking up ways to search gravitational wave data for evidence of dark matter particles orbiting black holes.


A Debate Over the Physics of Time

According to our best theories of physics, the universe is a fixed block where time only appears to pass.


A Bird’s-Eye View of Nature’s Hidden Order

Scientists are exploring a mysterious pattern, found in birds’ eyes, boxes of marbles and other surprising places, that is neither regular nor random.