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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?
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.
Rumors Cast Doubt on Diphoton Bump
Rampant rumors and a new analysis undercut hopes of a major discovery at the Large Hadron Collider.
Have Physicists Discovered a New Boson?
A group of little-known Hungarian physicists claim to have found a new fundamental particle. Now other researchers are raising questions about the team’s past work.
Evidence of a ‘Fifth Force’ Faces Scrutiny
A lab in Hungary has reported an anomaly that could lead to a physics revolution. But even as excitement builds, closer scrutiny has unearthed a troubling backstory.
Visions of Future Physics
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.
The Case for Complex Dark Matter
The physicist James Bullock explains how a complicated “dark sector” of interacting particles may illuminate some puzzling observations of the centers of galaxies.
Theories of Everything, Mapped
Explore the deepest mysteries at the frontier of fundamental physics, and the most promising ideas put forth to solve them.