This article was updated June 28 at 4:54 p.m. ET. Scientists have long wondered whether there is a limit to the number of protons and neutrons that can be clustered together to form the nucleus of an ...

Protons are tiny particles just a femtometer across, but without them, atoms wouldn't exist. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The periodic table contains more than a hundred chemical elements, the basic building blocks of the everything around us — living and non-living. The atomic number of an element is determined by how ...

Learn all about the 118 combinations of protons, neutrons and electrons that make up our world. Whether hung on classroom walls, put up in dorm rooms or screen-printed on T-shirts, the periodic table ...

Japanese scientists have made a new (nu?) periodic table organized by the number of protons in the nucleus instead of the element’s number of electrons. They call it the Nucletouch table, and where ...

Inscribed on an Italian family’s 15th century coat of arms and decorating an ancient Japanese shrine, the Borromean rings are symbolically potent. Remove one ring from the trio of linked circles and ...