Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Fairy circles were ...
The human eye is drawn to circular patterns in nature, from crop circles in the movie Signs to the ripples in a pond. But there's another awe-inspiring, naturally-occurring, circular pattern that ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results