HEISENBERG has discussed the hypothesis that the nucleus of an atom is composed of neutrons and protons only, the neutron being regarded as a fundamental entity and not as a combination of an electron ...

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Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number of protons equals the number of neutrons. For decades, these strange regions ...

At the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact, they ...

For surfers, it's not enough just to wait for the right wave: they still have to know how to catch it. As it turns out, one challenge faced by surfers also applies to protons. An experiment recently ...

What is the heaviest element in the universe? Are there infinitely many elements? Where and how could superheavy elements be created naturally? The heaviest abundant element known to exist is uranium, ...

A chart of superheavy elements (SHEs), plotted by atomic number (protons) vs number of neutrons. Boxes are discovered SHEs, with predicted half-lives. The circle is an island of stability. Credit: ...