CMS strengthens the case for toponium

A new independent measurement by the CMS experiment at the LHC is consistent with the existence of the most massive composite particle ever observed, the momentary union of a top quark and its antiquark

News
Physics
25 March, 2026
Physics
News
25 March, 2026

BASE experiment at CERN succeeds in transporting antimatter

The experiment successfully transported a trap filled with antiprotons across CERN’s main site, a remarkable first step towards delivering antimatter to other European laboratories

Press release
Experiments
24 March, 2026
Experiments
Press release
24 March, 2026

Upcoming events

Check out this curated list of upcoming events for the CERN community

Announcement
At CERN
24 March, 2026
At CERN
Announcement
24 March, 2026

Register for the 2026 CERN Relay Race!

Announcement
At CERN
24 March, 2026
At CERN
Announcement
24 March, 2026

ALICE sees new sign of primordial plasma in proton collisions

The ALICE Collaboration takes a step further in addressing the question of whether a quark–gluon plasma can be formed in proton–proton and proton–nucleus collisions

News
Physics
20 March, 2026

ATLAS sets strong limits on supersymmetry

Using machine-learning techniques, the ATLAS Collaboration has searched deep for signs of particles that could help answer some of the greatest mysteries of physics

News
Physics
19 March, 2026

LHCb Collaboration discovers new proton-like particle

Composed of two charm quarks and one down quark, the doubly charmed particle is four times heavier than a proton

News
Physics
17 March, 2026

Accelerator Report: The 2026 run will be short but intense

Every day counts, so the LHC operations teams have mapped out a precise sequence of running phases to maximise the physics output during the machine’s final months

News
Accelerators
12 March, 2026

Cutting emissions, powering science

Discover CERN’s new F-gas e-learning and practical guidance webpages

Announcement
At CERN
12 March, 2026
At CERN
Announcement
12 March, 2026
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Members of the personnel shall be deemed to have taken note of official news published for the CERN community. Reproduction of all or part of this information by persons or institutions external to the Organization requires the prior approval of the CERN Management. The full list of official news is available here