Add Yahoo as a preferred source to see more of our stories on Google. Finding black streaks or splotches in the sand while walking along a Michigan beach may have you wondering if you've stumbled ...

Beaches around the world come in many colors, from the familiar golden and white sands to rarer hues like pink, red, and even green. However, one of the most striking variations is black sand beaches, ...

Finding black streaks or splotches in the sand while walking along a Michigan beach may have you wondering if you've stumbled across some sort of pollution, but it's actually a completely natural ...