Scientists are holding up a 'mirror' to protons and neutrons to learn more about the particles that build our visible universe. The MARATHON experiment has accessed new details about these particles' ...

Protons might be stretchier than they should be. The subatomic particles are built of smaller particles called quarks, which are bound together by a powerful interaction known as the strong force. New ...

Knowable Magazine reports that neutrinos may help explain the universe's missing antimatter, shedding light on matter-antimatter imbalance.

Jefferson Lab's Compton polarimeter laser system, used to measure the parallel spin of electrons, is aligned during the Calcium Radius Experiment at Jefferson Lab. Credit: Jefferson Lab/Dave Gaskell ...

Wielding proton beams and lasers, physicists have for the first time unlocked one of the key secrets of the rarest naturally occurring element on Earth: astatine. Astatine is a "halogen," meaning it ...

Wielding proton beams and lasers, physicists have for the first time unlocked one of the key secrets of the rarest naturally occurring element on Earth: astatine. It's so rare that until recently, ...