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 ...

Note: The following article contains spoilers about the Netflix series 3 Body Problem. I first encountered the three-body problem 60 years ago, in a short story called “Placet is a Crazy Place” by ...

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 ...

Predicting the movement of two celestial bodies is easy, but add a third, and chaos unfolds. The three-body problem remains one of physics' greatest challenges, shaping our understanding of space and ...