How is matter different from mass? These and other questions about the deepest levels of physics, answered inside.

The sun, a searing hot sphere of gas primarily composed of hydrogen and helium, boasts surface and outer atmospheric ...

Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.

Brownian provides evidence for the kinetic particle model of matter ... These have little mass but move at a high speed. This means they have a large momentum and collide with a large force.

The sun’s solar wind, made of charged particles, interacts with powerful eruptions, affecting cosmic rays and space weather.

The problem is that almost all fundamental particle reactions produce exact numbers ... varieties of neutrinos could cause ...

Since the start of the 20th century, physicists have discovered a veritable zoo of subatomic particles. Matter can be both ...

which is made of particles of equal mass but opposite charge to normal matter, so things like anti-protons and positrons, which are the antimatter version of electrons. Place a particle of ...

A proposed funding program for small- and medium-scale projects reveals insights into the science, logistical challenges, and future of particle physics research. Particle physicists have a reputation ...

Carbon particles are present in many aspects of our daily lives. Soot, which consists of tiny carbon particles, is generated ...