Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in equations rather than explained from first principles. A new proposal argues that ...

The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion of the universe.

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Noncommutative geometry offers a radical reformulation of traditional geometrical concepts by replacing the classical notion of a manifold with a noncommutative algebra of coordinates. This approach ...

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions ...

Physicists have taken one small-but-consequential step toward measuring the mass of an elusive "ghost particle" called a neutrino — an achievement that could poke a significant hole in the Standard ...

String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory predicts ...

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 ...

Red lines show the disintegration of a B-sub-s into two muons in the CMS camera at the Large Hadron Collider. Yello, green and blue are used to denote particles other than muons. Purdue University ...

Recently analyzed data from BaBar, a high energy physics experiment in the U.S., may suggest possible flaws in the Standard Model of particle physics, the reigning description of how the universe ...

On Monday, the Society of Physics Students, or SPS, welcomed Helen Quinn — a renowned particle physicist — to deliver the Howard L. Schultz Sr. Price Lecture. During the talk, Quinn spoke on her ...

Trillions of times smaller than a grain of sand and smaller than an atomic proton or neutron, quarks are among the smallest particles in the universe. They are essentially building blocks for ...