Marianne Freiberger

We take the real numbers for granted, but what are they really?

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

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

Taking apart the CMB picture using the maths of sound.

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

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.

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.

The cosmic microwave background is the earliest light we can see in the Universe. So important is this baby picture of the Universe, it's been involved in two Nobel Prizes. Why?

Is the proposed ABBA rule for penalty shootouts really fairer than the existing rule? Maths shows that it is, and also suggests another, more subtle rule.

Statistics professor John Aston has been appointed as the Home Office's new Chief Scientific Adviser.