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

The second guiding principle in probability theory is more subtle – universality.

Symmetry is one of the two guiding principles in understanding probabilities – if different outcomes are equivalent they should have the same probability.

Here's a resolution for one of probability theory's most famous paradoxes.

Is nature using digital tools to deal with genetic information?

Cambridge researchers, the BBC, and thousands of citizen scientists have created a revolutionary infectious disease data set.

Double counting proves a neat result in graph theory.

Can physics do for maths what maths has done for physics?

A quick tour to some of Hawking's most significant achievements.

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

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?