Crop circles have popped up in cornfields and meadows around the world since the 17th century. UFO enthusiasts claim they're intricate patterns signifying landing pads for alien spacecraft, while ...

Those otherworldly crop circles may not have been caused by aliens after all. Instead, think physics: A study in Physics World points to the possibility that the patterns could be caused by ...

Mysterious crop circles have been discovered etched into fields in one of the world's most famous UFO hotspots. Wiltshire in the UK has become the epicenter of the phenomenon since the 1970s, and the ...

(CNN) — An elaborate crop circle sculpted into a farm two hours south of San Francisco is no more, having been mowed down to the dismay of hundreds who flocked to glimpse the unexplained site. On ...