The most intricate crop circles, which have baffled experts and fuelled rumours of alien visitors, have relied upon careful planning and execution. In the past, the best crop circles have attracted ...

They look a little like crop circles and a little like artistic earthworks. Around the world, they have many names: in the Namib Desert of Africa, they’re called “fairy circles;” in Brazil they’re ...

Patterns appearing on both the very large and very small scale are extremely rare, but researchers have found a similar pattern in two apparently unrelated systems -- skin cells and fairy circles in ...