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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.

Illustration of Einstein shining a flashlight ahead of the "Spacetime Express" train

10/17/23

Spacetime: All the universe’s a stage

In the 1900s, Albert Einstein unified the concepts of space and time, giving us a useful new way to picture the universe.

10/10/23

CERN opens Science Gateway

About 1,400 people attended the grand opening of CERN’s new science education center.

Illustration of Galileo dropping antimatter off the Tower of Pisa

09/27/23

Antimatter falls down

Results from the ALPHA experiment confirm that matter and antimatter react to gravity in a similar way.

This artist’s rendering shows LuSEE-Night atop the Blue Ghost spacecraft scheduled to deliver the experiment to the far side of the moon.

09/26/23

Listening to the radio on the far side of the moon

LuSEE-Night will demonstrate whether an experiment to search for ancient radio signals can survive the moon’s unforgiving environment.

09/25/23

Tending to a giant

In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak inside the Large Hadron Collider.

Illustration of a particle in the middle of a hall of mirrors

09/19/23

What is neutral naturalness?

Indirectly testing this theory, motivated by the mysterious mass of the Higgs boson, could be within reach for experiments at the Large Hadron Collider.

Illustration of galaxies in a Petri dish

09/12/23

Imagining the future of gravitational-wave research

To understand why scientists are excited about detecting a new background, just look to the history of studies of the CMB.

09/05/23

Rap with an undercurrent of particle physics

UK musician Consensus spins the big ideas of physics into rap and hip-hop tracks.

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