The three-body problem is a centuries-old physics question that puzzled Isaac Newton. It describes the orbits of three bodies, like planets or stars, trapped in each other's gravity. The problem is ...

The three-body problem is a physics conundrum that has boggled scientists since Isaac Newton's day. But what is it, why is it so hard to solve and is the sci-fi series of the same name really possible ...

Take a glance at our solar system and beyond, and outer space seems pretty orderly. Our eight planets travel around the Sun with apparent predictability and even the stars themselves appear to march ...