Browse Physics

In the 1950s, in one of the largest physics experiments of its time, two physicists detected the neutrino, a particle postulated by theorists a quarter of a century earlier.

An overlooked gamma-ray production mechanism explains a mysterious source of high-energy radiation from space.

Particles containing strange quarks become lighter when embedded within nuclei, according to experiments that confirm an effect seen previously with up and down quarks.

The positron, antiparticle to the electron, was discovered by accident in 1932.

A tiny black hole could briefly appear in a particle accelerator and then vanish into its own separate universe.

The first detailed measurements of the effects of strange quarks inside protons disagree with theoretical predictions, showing the limitations of theorists’ calculational technology.

A new scheme has captured more antimatter than ever before.

In 1932, the invention of the cyclotron marked the start of modern particle physics.

Mathematically-derived pictures show the structure of quarks inside a proton.

A supernova simulated using state-of-the-art equations doesn’t explode, exposing astrophysicists’ ignorance about neutrino physics.

Dark matter arising from extra spatial dimensions could be detected with existing or future experiments.

The 2002 Nobel Prize in Physics went to three experimentalists who opened the window on cosmic neutrinos and x rays.

Bare quark stars may give off a unique signal that could soon be detected.

The clustering of galaxies in space places the tightest bound yet on the mass of the wispy neutrino.

High energy cosmic rays might produce tiny black holes that could be detected in the next several years.

Researchers have seen the first indicator of an exotic state of matter but can’t yet confirm its presence.

An accelerating proton collides with particles that don’t exist in the stationary observer’s world.

Cosmic rays may be enlarging the ozone hole.

Neutrino observatories may be able to detect exotic matter in proto-neutron stars or witness the births of black holes.

New calculations show that two models for solar neutrinos are not really as distinct as most researchers had thought.