The Standard Model of particles and interactions is remarkably successful for a theory everyone knows is missing big pieces. It accounts for the everyday stuff we know like protons, neutrons, ...

In 1930, a young physicist named Carl D. Anderson was tasked by his mentor with measuring the energies of cosmic ...

The universe has cooked up all sorts of bizarre and beautiful forms of matter, from blazing stars to purring cats, out of just three basic ingredients. Electrons and two types of quarks, dubbed “up” ...

Harry Cliff is a member of the LHCb collaboration. Patrick Koppenburg does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article ...

Add Yahoo as a preferred source to see more of our stories on Google. Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that ...

Dark matter particles outnumber ordinary matter in the cosmos by about one to five, but scientists don’t yet know what these abundant particles actually are. Thus far, the most heavily favored ...

The ancient Greeks conceived of five building blocks of matter – from bottom to top: earth, water, air, fire, and aether. Aether was the matter that filled the heavens and explained the rotation of ...

A study by Dartmouth researchers proposes a new theory about the origin of dark matter, the mysterious and invisible substance thought to give the universe its shape and structure. They say the ...

In a first, CERN physicists succeeded in observing matter-antimatter imbalance in baryons, fundamental particles that make up most of the observable universe. Reading time 3 minutes All matter in our ...

Dark matter could be made of particles that each weigh almost as much as a human cell and are nearly dense enough to become miniature black holes, new research suggests. While dark matter is thought ...