Neutrinos are electrically neutral subatomic particles that can pass through matter without being altered, and without being noticed. In fact, millions of them are passing through your body right now.

MIT Professor of Physics David Pritchard is running a free online physics course this summer to help teachers and students brush up on their knowledge and for anybody else interested in learning about ...

We take for granted that we know what happens when a raindrop hits a puddle or cream gets poured into a cup of coffee. But while we imagine that liquids merge with other liquids seamlessly, like a ...