Natalie Wolchover

The path from a revolutionary set of equations to the detection of gravitational waves was strewn with obstacles and controversy, explains the physicist Daniel Kennefick — and the struggle continues.

Ripples in space-time have been detected a century after Einstein predicted them, launching a new era in astronomy.

Searching for signs of life on faraway planets, astrobiologists must decide which telltale biosignature gases to target.

If a theory can’t be tested, is it still science?

Scientists are homing in on a warning signal that arises in complex systems like ecological food webs, the brain and the Earth’s climate. Could it help prevent future catastrophes?

A theorem for coloring a large class of “perfect” mathematical networks could ease the way for a long-sought general coloring proof.

Nima Arkani-Hamed is championing a campaign to build the world’s largest particle collider, even as he pursues a new vision of the laws of nature.

In the drive to safeguard data from future quantum computers, cryptographers have stumbled upon a thin red line between security and efficiency.

Explore the deepest mysteries at the frontier of fundamental physics, and the most promising ideas put forth to solve them.