Scientists in Switzerland have begun the cooldown of a 312-foot-long test stand for the ...

Just after 9 a.m. on Friday, Feb. 6, 2026, final beams of oxygen ions—oxygen atoms stripped of their electrons—circulated through the twin 2.4-mile-circumference rings of the Relativistic Heavy Ion ...

When the universe first burst into being, all of space was a cosmic cauldron filled with a roiling, fiery liquid of fundamental particles heated to trillions of degrees. But this seething primordial ...

Particle physics is using ever more interdisciplinary means to seek ever more exotic phenomena, Robert P Crease finds, but ...

Add Yahoo as a preferred source to see more of our stories on Google. US physicists have shed light on a long-standing mystery after they captured rare experimental evidence that links the fleeting ...

Before the RHIC shut down, it was the only operational particle collider in the U.S. and one of two heavy-ion colliders in the world, the other being the Large Hadron Collider at CERN in Switzerland.

For a mere moment after the Big Bang, no neutrons or protons are thought to have existed. These neutral and positively charged particles, respectively, make up the center of all atoms today. But ...

The largest particle collider in the US, the Relativistic Heavy Ion Collider (RHIC), has ...

At Brookhaven National Laboratory on Long Island, the Relativistic Heavy Ion Collider has powered down for the last time, ...

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