This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is space made of – what does ...

Particle physics invented big, global science, and national and now global facilities. If history is any guide, nothing will prevent them from answering the big questions!

Learn about physics, a science that introduces you to the underlying laws and mechanisms for how the universe works, why you should study physics.

The Standard Model is the modern physical understanding of three of the four forces of nature: electromagnetism, the strong nuclear force and the weak nuclear force.

Rahul Rao is a former intern and contributing science writer for Popular Science since early 2021. He covers physics, space, technology, and their intersections with each other and everything else.

While space is mostly empty, it does have some matter and particles spread throughout it.