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, ...

(CNN) — Round discs of barren dirt known as “fairy circles” look like rows of polka dots that can spread for miles over the ground. The phenomenon’s mysterious origins have intrigued scientists for ...

Be it the Mima mounds of Washington state or the famous "fairy circles" of Namibia in southwestern Africa, people are captivated by the regular patterns of plant growth that blanket desert and ...