Add Yahoo as a preferred source to see more of our stories on Google. An artist's rendering of Kepler 16-b and its two suns. A rocket launch. Our nearest stellar neighbor. A Netflix show. All of these ...

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 ...