Atoms are made of three things: protons, neutrons, and electrons. Electrons are a type of fundamental particle, but protons and neutrons are composite particles made of up and down quarks. Protons ...

Since the universe was very small right after the Big Bang and yet it contained the same amount of matter as now, would the ...

While all atomic nuclei except hydrogen are composed of protons and neutrons, physicists have been searching for a particle consisting of two, three or four neutrons for over half a century.

Matter is a lush tapestry, woven from a complex assortment of threads. Diverse subatomic particles weave together to fabricate the universe we inhabit. But a century ago, people believed that matter ...

Apart from flashbacks that the hit Netflix series Breaking Bad may have conjured up, most of us have likely happily forgotten what we learned in chemistry classes back in school. So here’s a quick ...

New research suggests a particle inside an atom can lose mass, offering a fresh look at how matter works at the smallest ...