“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

Particle accelerators can help scientists measure the smallest and largest particles in the universe.

A new particle detector has passed a crucial test, demonstrating it's ready to start investigating quark-gluon plasma, the ...

A ghost particle is pretty much a big deal for the same reason, and that's why astrophysicists are trying to trap them. They're excited, and here's why you should be, too.