Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Fairy circles were ...

Another crop circle has appeared in the English countryside — and this one's clearly been made by someone, or something, that understands math. At first glance, the strange ratcheted pattern, ...

Looking for a challenging and stimulating activity? Try solving a pattern-based puzzle posted on Instagram by Optical Illusions. The puzzle presents three patterns and asks you to predict the next ...