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.

Luckily, we don't have to count them one by one. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. All matter in the universe — no matter how big, ...

Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element. Isotopes are forms of a chemical element with ...

Artemis Spyrou receives funding from the US National Science Foundation. Sean Liddick receives funding from the Department of Energy, Office of Science and the Department of Energy, National Nuclear ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Prime numbers are tricky things. We learn in school that they’re numbers with no factors other than 1 and themselves, and that mathematicians have known for thousands of years that an infinite number ...