Yes, now it’s finally official. CERN physicists have just announced the discovery of a new particle, one that they are 99.9999% sure is the elusive Higgs Boson. This means that “its existence will also require physicists to rethink many of their existing theorems.” Continue reading to watch the entire presentation that was streamed earlier this morning and for more information.

In simple language, then, two experiments at the LHC – CMS and ATLAS – have discovered a new boson, and it behaves like the Standard Model Higgs. That is enough to have Peter Higgs, the man after which the boson is named, excited.

[Sources 1 | 2]