Crop circles have fascinated and perplexed people for decades, sparking debates and theories ranging from natural phenomena to extraterrestrial artistry. As new evidence and theories emerge, the ...

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

There’s no reason to think that crop circles are the work of aliens – particularly when human pranksters have already admitted to making them – but they’re still mysterious… not to mention a ...

(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 ...