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

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

Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric ...

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!

A survey of Scientific American’s century of quantum coverage helps explain the enduring popularity of strange physics ...

Artificial intelligence software is designing novel experimental protocols that improve upon the work of human physicists, although the humans are still “doing a lot of baby-sitting.” ...

For a century, quantum theory has passed every experimental test, but physicists can’t agree on how to use it to paint a ...

A survey of more than 1,000 physicists finds deep disagreements in what quantum theories mean in the real world ...

The idea is still new and requires a lot of assumptions in its calculations to make it work. Over the years, experimental results have been mixed.