At CERN’s Large Hadron Collider on the edge of Geneva, scientists have reported a surprising twist in the behavior of matter.

Two independent lines of evidence from the world’s most powerful particle experiments are converging on the same ...

A new theory suggests the universe’s greatest secrets are hiding in a “zeptouniverse” that’s ready to be explored—without ...

Since inaugural operations began in 2008, the LHC has allowed researchers to probe some of the universe’s most profound and mysterious forces. But investigating the deepest questions of modern physics ...

A quarter-century ago, the physicists of CERN, the European Center for Nuclear Research, bet their careers and their political capital on the biggest and most expensive science experiment ever built, ...

Physicists from the ATLAS collaboration at the European Organization for Nuclear Research — including members of Penn’s ATLAS group — have been awarded the 2025 Breakthrough Prize in fundamental ...

Scientists at CERN, the European Organisation for Nuclear Research, have unveiled ambitious plans for a colossal new atom smasher, the Future Circular Collider (FCC). This proposed successor to the ...

Yeah! Science! Scientists at the CERN Large Hadron Collider – the most powerful particle accelerator ever built – have detected the heaviest form of antimatter observed. This discovery is as important ...

The researchers have been working at the Large Hadron Collider in Switzerland on the ATLAS project. A visualization of a proton-proton collision in the ATLAS detector ...