With its high statistical significance, the result represents the first observation of electroweak top-quark–photon production

Physicists at the ATLAS experiment are on the hunt for new, long-lived particles to help explain several outstanding mysteries of our Universe

Six young researchers were honoured in an online ceremony on 24 February

The collaborations have set stringent new bounds on the fraction of Higgs bosons transforming into invisible particles

The updated version of the ATLAS analysis software will reprocess all ATLAS collision data from Run 2 over the coming months

The ATLAS collaboration announces the first observation of WWW production: the simultaneous creation of three massive W bosons in high-energy LHC collisions

Join scientists live from the underground cavern of the ATLAS experiment tomorrow on social media

On Friday 28 May 2021, the final "wedge" of the first ATLAS New Small Wheel was installed in the detector. This was an important milestone for the Collaboration, in preparation for the wheel’s installation in the ATLAS cavern later this summer

On 13 April 2021, the recipients of this year's ATLAS PhD Grant were celebrated in an online ceremony

The ATLAS search achieves the world’s best constraints on the size of the Higgs boson’s self-coupling, creating a portal of better understanding into the fundamental Higgs mechanism

In new results, ATLAS physicists describe novel techniques used to accurately align the muon spectrometer