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The Particle That Broke a Cosmic Speed Limit

Physicists are beginning to unravel the mysteries of ultrahigh-energy cosmic rays, particles accelerated by the most powerful forces in the universe.

The Quantum Fabric of Space-Time

Interactive: What Is Space?

Imagine the fabric of space-time peeled back layer by layer.

The Quantum Fabric of Space-Time

How Quantum Pairs Stitch Space-Time

New tools may reveal how quantum information builds the structure of space.

The Quantum Fabric of Space-Time

Wormholes Untangle a Black Hole Paradox

A bold new idea aims to link two famously discordant descriptions of nature. In doing so, it may also reveal how space-time owes its existence to the spooky connections of quantum information.


A Grand Theory of Wrinkles

A collaboration between mechanical engineers and mathematicians has revealed universal rules for how wrinkles form.


Dark Energy Tested on a Tabletop

Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious anti-gravitational force down to earth.

particle physics

‘Penguin’ Anomaly Hints at Missing Particles

A statistical anomaly in the signal from rare particle decays at the Large Hadron Collider offers hope that new discoveries might be around the corner.


Science’s Path From Myth to Multiverse

In his latest book, the Nobel Prize winner Steven Weinberg explores how science made the modern world, and where it might take us from here.

number theory

Mathematicians Chase Moonshine’s Shadow

Researchers are on the trail of a mysterious connection between number theory, algebra and string theory.