A volcano can casually puff out perfect smoke rings into the sky. There is a simple science behind these rare volcanic vortex ...

Several hundred volcanoes lie dormant beneath the Eifel in western Germany. They are typical examples of what is known as ...

Life has a way of bouncing back, even after catastrophic events like forest fires or volcanic eruptions. While nature's ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery.