Another antimatter record has been broken. In the smash-up of very energetic lead ions, researchers have uncovered evidence of the heaviest antimatter version of an atomic nucleus ever seen.

The cosmic blowtorch, which contains antimatter particles created from ... The unusually shaped mass is a "bow wave," made up of material blown off B2224+65 by stellar winds as the pulsar moves ...

LHCb’s discovery of proton-like particles behaving differently than their antimatter counterparts brings scientists one step closer to finding out why antimatter disappeared in the early universe.