An atom consists of a heavy center, called the nucleus, made of particles called protons and neutrons. An atom has lighter ...

What happens when the smallest building blocks of matter refuse to play by the rules of traditional physics? For decades, ...

Now, most of the atoms in the universe are the two simplest kinds: hydrogen, which has one proton, zero neutrons and one electron; and helium, which has two protons, two neutrons and two electrons.

The invisible dark matter is one of the universe's biggest mysteries, and its existence is confirmed only by the ...

Scientists are using trapped ions in experiments to search for signs of a new particle that could help explain the mysterious ...

A Los Alamos collaboration has replicated an important but largely forgotten physics experiment: the first deuterium-tritium ...

The idea of powering a house with a single atom might seem like science fiction, but recent advancements in nuclear physics ...

Studying exotic nuclei is difficult, but not impossible The new nucleus is so far the lightest known isotope of astatine, 188 At, consisting of 85 protons and 103 neutrons.