latest news

04/03/19

DESI lenses see first light

The Dark Energy Spectroscopic Instrument will begin operation later this year.

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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.

11/01/07

Author list

The Collider Detector at Fermilab (CDF) is one of two experiments that record the debris of powerful proton-antiproton collisions at the Tevatron particle collider to explore subatomic processes.

09/01/07

First HERA collisions

On October 19, 1991, at 6:50 p.m., Bjørn Wiik logged the first collisions in the new electron-proton particle collider at the Deutsches Elektronen-Synchrotron in Hamburg.

09/01/07

The end of the HERA era

Laughter punctuates the excited conversations, a mix of German and English. Drinks are passed around and children dart among the legs of the hundred or so scientists gathered together for one last time. The sky’s blue is deepening: only 90 minutes until sunset.

09/01/07

Butterfly researchers come to Fermilab for rare species

Scientists usually search Fermilab for exotic particles, but two Alabama researchers recently sought another rarity—a butterfly called the Gray Comma.

An illustration of a hand writing an equation

09/01/07

Theory

Theories describe scientists’ understanding of observed phenomena.

09/01/07

HERAfest

On June 29, 2007, when Albrecht Wagner told an assembly of nearly 1800 people to go to lunch and return at 2 p.m. for a surprise, nobody could have expected what was coming.

09/01/07

The art of the unseen

As technology evolves, posters are getting easier to produce and pass around. But it still takes skill and imagination to illustrate the abstract ideas of physics.

09/01/07

Particles in the sky

What is the universe made of? What are matter, energy, space, and time? How did we get here and where are we going? In particle physics, the classic place to look for answers is in giant accelerators where particles collide. But nature also provides a wealth of data.

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