A mysterious 310-foot-diameter crop circle that appeared in a farmer's barley field in Chualar, Calif., as 2013 ended puzzled the public for more than a week. Echoing the sentiments of many, the field ...

You’d think a professional crop-circle chronicler like Colin Andrews would be absolutely ecstatic: Three films about crop circles are coming out this year, including “Signs,” the subject of Hollywood ...

The artists behind increasingly elaborate crop-circle patterns are most likely skilled in math, necessary to plot epic designs, and technologically savvy enough to employ tools like microwave ...

A surprising amount of drone research comes out of the American heartland, and that’s because many of those institutions have deep agricultural roots. Nikolaos Papanikolopoulos, a roboticist at the ...