Maths in a minute: Dark matterPhysicists 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?
Cosmic modelsCosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.
Cosmic soundTaking apart the CMB picture using the maths of sound.
Cosmic peaksSome 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.
The cosmic soupTo 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.