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.
Get highlights of the most important news delivered to your email inbox