Particle physics study the nature of particles, such as electrons and protons. A recent discovery in particle physics was the discovery of the Higgs Boson. If you want to discover more about particle physics click on some links below.
The Particle Adventure
CERN – European Organization For Nuclear Research
Particle Physics: Antimatter (YouTube)
Particle Data Group
New Revolutions in Particle Physics: Standard Model (2010)
Quantum Entanglements (2007)