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Artist’s impression of the short-lived union of a top quark and a top antiquark formed by the exchange of gluons

Elusive romance of top-quark pairs observed at the LHC

07/08/25

The CMS and ATLAS experiments at CERN’s Large Hadron Collider have observed an unforeseen feature in the behaviour of top quarks that suggests that these heaviest of all elementary particles form a fleeting union.

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.

Conceptual illustration of a firehose shooting out particles

02/26/25

Explain it in 60 seconds: High-Luminosity LHC

The upgrade to the Large Hadron Collider will allow scientists to better study known phenomena and to search for new ones.

02/18/25

Why do neutrinos rarely interact?

Neutrinos are notoriously aloof, but it’s not entirely their fault.

Illustrated portraits of four DUNE photographers

02/11/25

Photographing DUNE

Documenting the work of building the world’s largest neutrino experiment presents photographers with a unique set of challenges.

01/28/25

How do scientists get lead into the LHC?

Once a year, the Large Hadron Collider smashes lead ions. But how do scientists get a heavy metal into a particle accelerator?

Illustration of a scientist "listening" for background noise

01/23/25

Bringing background to the forefront

SNOLAB scientists meticulously measure the signals that interfere with sensitive physics experiments.

The LSSTCam covers 21 times more area on the sky in every image

01/15/25

Testing, testing!

NSF–DOE Vera C. Rubin Observatory has just successfully completed a series of full-system tests using an engineering test camera.

Illustration of a Lego model house next to a real house

01/07/25

Small science and the future of particle physics

A proposed funding program for small- and medium-scale projects reveals insights into the science, logistical challenges, and future of particle physics research.

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