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 ...

(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 ...

So-called “fairy circles” are bare, reddish-hued circular patches notably found in the Namibian grasslands and northwestern Australia. Scientists have long debated whether these unusual patterns are ...