Archive

Illustration of two dogs hula hooping in front of an audience

04/01/25

Don’t call it toponium

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.

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.

12/17/24

Inside the search for dark matter

About 30 years ago an "ideas guy" and a team builder joined forces to search for the invisible bulk of existence.

Group of students wearing helmets and holding a tablet

12/10/24

Antimatter on wheels

Writer Chetna Krishna follows CERN’s “coolest” transport, a test of a system to ship stored antimatter across the continent.

Composite image of teachers teaching physics online

12/03/24

New CERN course teaches particle physics basics online

The 16-part course, currently in its pilot phase, is catered to high school students but available to anyone interested in learning about the fundamental questions in particle physics.

Illustration of a race car drafting off of another car

11/26/24

The quantum chase

Some friendly competition led up to the first discovery of entanglement at the Large Hadron Collider.