Learn about magical mathematical methods for fixing errors on the fly.

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?

Some of the Universe's most important secrets are hidden in the shape of a beautiful undulating curve: the power spectrum of the cosmic microwave spectrum. This article explains how.

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