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.

The famed collider at Brookhaven National Laboratory has ended operations, but if all goes to plan, a new collider will rise ...

For a mere moment after the Big Bang, no neutrons or protons are thought to have existed. These neutral and positively ...

At Brookhaven National Laboratory on Long Island, the Relativistic Heavy Ion Collider has powered down for the last time, ending operations at the only particle collider still running in the United ...

The discovery of the Higgs boson hasn’t led to a explosion of new physics. Now, some scientists think that hidden physics may ...

After 25 years, Brookhaven National Laboratory’s Relativistic Heavy Ion Collider—the U.S.’s largest particle collider—has ...

When the universe first burst into being, all of space was a cosmic cauldron filled with a roiling, fiery liquid of ...

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 ...

Scientists have found new evidence that a pattern of “flow” observed in particles streaming ...

Just after 9 a.m. on Friday, Feb. 6, 2026, final beams of oxygen ions—oxygen atoms stripped of their electrons—circulated ...

A new study from Johns Hopkins University suggests that supermassive black holes—those cosmic behemoths lurking at the centers of galaxies—might already be generating the kinds of high-energy particle ...