The new calculation, made at the Large Hadron Collider (LHC) near Geneva, could help solve a niggling mystery about this ...

A new calculation helps narrow down the mass of the W boson, one of the heaviest fundamental particles in the universe ...

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

Nearly every object we interact with in our lives has a mass, but where does this mass come from? Modern physics says matter ...

For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works.

Researchers investigated how the η′ meson behaves inside atomic nuclei and found evidence that it may form bound states known as η′-mesic nuclei. Using high-energy particle experiments and ...