Prime number enthusiasts discover new largest prime with 22,338,618 digits.

Rumours abound that physicists have detected gravitational waves produced by the merger of two black holes.

Play a game to while away those last 24 hours before Christmas.

Fold and cut a fantastic fractal Christmas tree!

Think of a number, square it and subtract your starting number. Is there something special about the number you are left with?

What is game theory and why is it important?

Solve a very old problem using paper.

Read about the amazing mathematical journey that led to a strange object with a will of its own.