The Relativistic Heavy Ion Collider , the largest particle collider in the United States, collided its last particles in early February. RHIC is a massive accelerator ring and set ...

Mark Thomson, the new head of Europe's physics laboratory CERN, voiced confidence Tuesday about raising the billions of dollars needed to build by far the world's biggest particle accelerator.

Planned to be the largest particle accelerator in the world, China's Circular Electron Positron Collider (CEPC) was meant to be about 100 kilometers or 62 miles long. That's much bigger than CERN's ...

The Large Hadron Collider is going to be shut down — not permanently, but for a pretty long time — and the famous atom smasher’s eventual final retirement is also something that top scientists are now ...

In collisions at CERN’s Large Hadron Collider, hotter than the Sun’s core by a staggering margin, scientists have finally solved a long-standing mystery: how delicate particles like deuterons and ...

Tech billionaires have pledged as much as €860 million ($1 billion) to help fund CERN’s Future Circular Collider, the next-generation particle collider and the successor to the Large Hadron Collider, ...

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Ninety million times a year, when protons crash together at the Large Hadron Collider (LHC), they produce, in their wreckage, a top quark and an anti-top quark, the heaviest known elementary particles ...

Every time two beams of particles collide inside an accelerator, the universe lets us in on a little secret. Sometimes it's a particle no one has ever seen. Other times, it's a fleeting glimpse of ...

Hypothetical particles called axions have been sought by physicists for decades, as they are the leading candidate for what makes up dark matter. But we may not need new experiments to find exotic ...

After a decade of construction, the new-and-improved super Pioneering High Energy Nuclear Interaction eXperiment (sPHENIX) is officially ready for science as it passes a key “standard candle” ...

Scientists at CERN’s ATLAS experiment have uncovered compelling evidence of Higgs bosons decaying into muons, an incredibly rare event that could deepen our understanding of how particles acquire mass ...