Top quark turns 15 today

03/02/10

Former Fermilab Director John Peoples talks to the press on March 2, 1995, the day that the laboratory announced the discovery of the top quark by CDF and DZero experiments. Today marks the 15 year anniversary of that discovery.

Fermilab scientist Alvin Tollestrup dons a top hat in honor of the top quark discovery in a photo from 1995.

popular on symmetry

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.

07/28/16

The deconstructed Standard Model equation

The Standard Model is far more than elementary particles arranged in a table.

Illustration representing properties of light

06/29/21

What is a photon?

The fundamental particle of light is both ordinary and full of surprises.

Illustration of a Dutch baby pancake with blueberries, surrounded by stars

02/21/23

What the Higgs boson tells us about the universe

The Higgs boson is the only fundamental particle known to be scalar, meaning it has no quantum spin. This fact answers questions about our universe, but it also raises new ones.