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Need to find the least common multiple or greatest common divisor of two numbers? A billiard table of the right proportions holds the answers!

Randomness is surprisingly hard to define. Fortunately the mathematical language we use to describe it is beautifully well defined.

Find out all you need to know about the cosmic microwave background in this comprehensive overview.

On the sad news of Stephen Hawking's passing we look at his professional life and work.

There are problems that are easy to solve in theory, but impossible to solve in practice. Intrigued? Then join us on a journey through the world of complexity, all the way to the famous P versus NP conjecture.

Have you ever wondered what complex numbers are good for, both within and outside of maths? Find out with this collection of articles and videos.

Producing electricity securely, safely, reliably and cheaply has many challenges. Chris Budd explains that the answer to many of these issues is maths.

Young researchers at this year's Heidelberg Laureate Forum tell us about their work.

Gravitational waves have opened a new window on the Universe. Find out what they are, how they were detected, and what they promise to reveal.

Our digital lives rely on distributed computer systems, such as the internet, but understanding the order of events in such systems is not always straightforward.