latest news

Illustration of two dogs hula hooping in front of an audience

Don’t call it toponium

04/01/25

Sarah Charley

A large and unexpected excess of top quark pairs has the physics community excited, but the interpretation is still up for debate.

03/25/25

A new piece in the matter-antimatter puzzle

The LHCb experiment at CERN has revealed a fundamental asymmetry in the behavior of particles called baryons.

DESI’s instrument, a long black cylinder supported by the metal telescope framework, points at the domed ceiling. The dome interior is bathed in blue light.

03/19/25

New DESI results strengthen hints that dark energy may evolve

Combining the DESI data with other experiments shows signs that the impact of dark energy may be weakening over time—and the standard model of how the universe works may need an update.

03/18/25

Scientists recall the discovery of the top quark 30 years ago at Fermilab

On March 2, 1995, the top quark discovery at Fermilab was announced by scientists on the CDF and DZero collaborations, and the sixth and final quark was added to the Standard Model.

Illustration of four physicists profiled in the article

03/12/25

From the lab to the classroom

Most students who earn a PhD in physics build careers outside of research. Meet four physicists who went from particle physics research to teaching high school physics and math.