Articles

Physicists believe that around 82% of all the matter in the Universe is invisible dark matter. But if it's invisible how do they know it's there?

To understand the why the cosmic microwave background tells us so much about the Universe, you first need to understand what created it: sound waves travelling through the early Universe.

What is dark energy and how do we know it's there?

Since he Universe is all there is, there's nothing for it to expand into. So what does "expansion" mean?

Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.

How do you make a stealth aircraft that's invisible to radar? An area of maths called random matrix theory holds the answer.

Rock and its use for tools and buildings has shaped human civilisation. Here's an introduction to the maths of rocks.

From communication technology to LCD displays: crystals are a hugely important part of modern life. Find out more about them with this article.