Physics

How a gravitational wave background re-opens the book on general relativity.

A new analysis argues that ubiquitous eruptions in the sun’s corona explain the vast flow of charged particles seen streaming out through the solar system.

If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection.

Richard Feynman’s path integral is both a powerful prediction machine and a philosophy about how the world is. But physicists are still struggling to figure out how to use it, and what it means.

In neutron stars, astrophysicists see a form of matter like none other.

The quest to detect neutrinos has physicists—and society—asking hard questions.

From the first cells to unique minds, in the editor's note from Print Issue 46.

I now realize Heisenberg and Schrödinger are less like physicists and more like therapists.

This year’s winners of the Nobel Prize in Physics were driven by curiosity, skill, and tenacity.

When it comes to physics, says Sean Carroll, you need the math.

Trying to answer a silly question can take you through some serious science.