Graphic showing the transverse motion of a quark (green sphere) inside a proton whose spin is aligned to its direction of motion (large yellow arrow). Credit: Image courtesy of Valerie ...

Particle physics is the study of the elementary building blocks of matter and radiation and their interaction. The fundamental particles are summarised by the standard model. This includes leptons ...

LISTEN | Joe Callingham describes a stellar explosion: Quirks and Quarks8:12A powerful explosion from another star could blast away nearby planetary atmospheres For the first time, scientists have ...

We think of matter as being made up from three main particles – protons, neutrons and electrons. However the full set of matter particles is the fermions. This has a much greater variety of sub-atomic ...