Yellowstone National Park officials are investigating after a park employee spotted part of a foot, in a shoe, floating in a hot spring in the southern part of the park, officials said Thursday.

The foot has a complicated anatomical structure with many parts, all of which have specific functions. Due to this complex structure, there are many conditions that can affect feet. The structure of ...

Sunlight is considered the leading cause of melanoma, but daily wear-and-tear appears to promote the deadly skin cancer in at least one place where the sun rarely shines, researchers say. Stress and ...