LHC smashes old collision records
The Large Hadron Collider is now producing about a billion proton-proton collisions per second.
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The secret lives of long-lived particles
A theoretical species of particle might answer nearly every question about our cosmos—if scientists can find it.
LHC bump fades with more data
Possible signs of new particle seem to have washed out in an influx of new data.
Higgs boson resurfaces in LHC data
The Higgs appeared in the second run of the LHC about twice as fast as it did in the first.
LHCb discovers family of tetraquarks
Researchers found four new particles made of the same four building blocks.
The Higgs-shaped elephant in the room
Higgs bosons should mass-produce bottom quarks. So why is it so hard to see it happening?
Why do objects feel solid?
A reader asks, “If atoms are mostly empty space, then why does anything feel solid?” James Beacham, a researcher with the ATLAS Experiment Group at Ohio State University, explains in this two-minute video.
Physicists build ultrapowerful accelerator magnet
A partnership between three national U.S. laboratories and CERN to upgrade the LHC has yielded the strongest accelerator magnet ever created.
Fermilab scientist elected next CMS spokesperson
Joel Butler will lead the LHC experiment starting in September.
CERN and U.S. increase cooperation
The United States and the European physics laboratory have formally agreed to partner on continued LHC research, upcoming neutrino research and a future collider.