What is everything made of? It’s the fundamental question that lies at the heart of particle physics. Today, scientists are using gigantic, atom-smashing particle accelerators to probe deeper into the ...

Protons are particles that exist in the nucleus of all atoms, with their number defining the elements themselves. Protons, however, are not fundamental particles. Rather, they are composite particles ...

Scientists are only beginning to understand the laws that govern the atomic world. Before the 1950s the electrons, neutrons, and protons comprising atoms were the smallest confirmed units of matter.

Add Yahoo as a preferred source to see more of our stories on Google. An artist's concept of multiple types of subatomic particles. (Mark Garlick/Science Photo Library) Forget about turtles; for all ...

COLLEGE STATION, -The sun not only radiates light all over the place, but it also emits millions of tiny invisible particles called neutrinos. A team of Texas A&M University physicists has reported in ...