The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

When fundamental particles are heavier or lighter than expected, physicists' understanding of the universe can tip into the ...

By tracing the origins of an unusual, short-lived particle, researchers have gathered some of the strongest evidence yet that ...

A subatomic particle long predicted by theorists has finally been observed, ending a decades-long wait in physics. Named Ξcc+ ...

Particle accelerators reveal the heart of nuclear matter by smashing together atoms at close to the speed of light. The ...

To test if antimatter can be safely transported, a team of scientists loaded antiprotons into a specially prepared truck.

CHICAGO (CBS) -- A powerful new particle accelerator that could be set up at Fermilab, a telescope to observe the oldest light in the universe, and research to learn more about mysteries such as dark ...

The collective gravity of countless neutrinos gently irons out the wrinkles in the cosmic web, preventing matter from ...

A beam of electrons crossed just a few millimeters of plasma, then helped trigger an effect that usually belongs to massive ...

Recently, I watched a fellow particle physicist talk about a calculation he had pushed to a new height of precision. His tool? A 1980s-era computer program called FORM. Particle physicists use some of ...