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07/11/19

Satellite galaxies provide new clues about dark matter

A new study shows that light dark matter is 1000 times less likely to bump into regular matter than previous analyses allowed.

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Curiouser and curiouser: a riddle at the ALICE detector

12/09/25

Sarah Charley

In 2023, the ALICE experiment was ready for their best year yet, until a mysterious signal threatened everything. As the LHC wraps up its 2025 lead-ion run, physicists recall how they worked together to solve the puzzle.

08/01/08

Call of the bike

As Reid Mumford pedals, sometimes he thinks about how to break away from the pack. Other times he thinks about how the smallest bits of the universe break apart in high-energy collisions.

08/01/08

New tools forge new frontiers

US particle physics is pushing forward on three frontiers. Each has a unique approach to making discoveries, and all three are essential to answering key questions about the laws of nature and the cosmos.

08/01/08

Z boson

The Z boson is a neutral particle that mediates the weak force.

08/01/08

Mr. Freeze

Some days Jerry Zimmerman calmly follows his typical morning routine and joins countless other suburbanites on the road to work. Then there are the other days. Those days Zimmerman takes on an alter-persona.

08/01/08

All aboard

Jason Steffen waited to board a plane in the Seattle airport. He waited to get his boarding pass scanned. Then he walked a few steps down the jet way, and waited some more. His frustration grew.

08/01/08

Bonnie and the ArgoNeuTs

Inspired by heroes of Greek mythology, physicists are on a quest to find a cheaper, more efficient way to capture neutrinosone of the strangest and most fascinating particles in the universe.

08/01/08

Rat rod

Parked between a shiny green Camaro and a remodeled '63 Mustang, a 1929 Ford Model A pickup-turned-hot rod is a mosaic of rust and rot. A rag plugs the radiator, and ancient wooden slats border the truck bed.

08/01/08

A bumper crop of physics plates

In our October/November issue, we asked readers to share stories and photographs of physics-related license plates. Here are the responses.

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