What are mathematical proofs, why do we need them and what can they say about sheep?

This year's Abel prize has it all wrapped up.

Can you measure information? It's a tricky question — but people have tried and come up with very interesting ideas.

Not just the ingredients for a fairy tale...

Can a mathematical model of zombies' movements allow the human race to survive impending doom?

Why it's important to know which observer you are in cosmology

Where planets are born is not necessarily where they will stay…

Two mathematicians' visit to the desert sheds new light on avalanches.

What is 1-1+1-1+1-1+...? How infinite sums challenge our notion of arithmetic.

Our image of the week is made of 2000 line segments.