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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.

12/01/07

Entering Higgs habitat

A powerful new collider will allow scientists to explore the territory where the long-sought Higgs particle—maybe even a whole family of them—resides.

12/01/07

Connecting with Africa

ATLAS, a particle physics experiment at CERN’s Large Hadron Collider, boasts 2000-plus members from 35 countries. But on a map showing where those members come from, one continent is almost mark-free: Africa.

Simulation showing a spray of particles created in a particle collision

12/01/07

Protecting the LHC from itself

Scientists at CERN have crafted the world’s most sophisticated machine protection system to save the LHC from itself.

12/01/07

The LHC by mail

Each year the European laboratory CERN welcomes tens of thousands of visitors. Now the lab can visit them back.

12/01/07

LHC cabling

It’s heavy, dusty, dirty work: Deep in the bowels of the LHC detectors, workers are rushing to connect a rat’s nest of cables.

An illustration depicting scale differences

12/01/07

Terascale

The Terascale is an energy region named for the tera, or million million, electronvolts of energy needed to access it. Physicists are standing at its threshold, poised to enter this uncharted territory of the subatomic world.

12/01/07

Penguins and particles

‘Tis the season for science at the bottom of the Earth. Researchers are flying to the South Pole from all over the globe to take advantage of the “ warm” summer months, when temperatures average minus 35 degrees Fahrenheit.

12/01/07

Q&A: James Gillies

Hollywood directors, time travelers, journalists, school kids—CERN’s press office sees them all.

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