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

Researchers believe a crop circle pattern that appeared in the small town of Bracciano, Italy, a few weeks ago contained a complex diagram of solar eclipses — perhaps demonstrating that its makers had ...

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, ...