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

A singularity refers to a place in the universe where our laws of physics simply break down. These are called singularities.

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 ...

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.

Spacetime may emerge from a more fundamental reality. Figuring out how could unlock the most urgent goal in physics—a quantum theory of gravity ...

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.

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

What comes to mind when you think of space? Imagine a friend boasting about a spacious building, stadium or museum they recently visited. Do you envision the building as vast and expansive? Is it ...