Most people do their rock hunting during the day, but you can't find "Yooperlites" until the sun goes down. Yooperlites are rocks that fluoresce in the dark under ultraviolet light. They became known ...

MUNISING, MI -- If you’ve ever found yourself standing at Sand Point Beach in Pictured Rocks National Lakeshore, staring at the wild island in Lake Superior and wondering “how do I get over there?” − ...

The elusive Lake Superior agate. Rockhounds scour Lake Superior’s shoreline for these rare banded beauties—from the western reaches of the Keweenaw Peninsula to the U.P.’s easternmost Whitefish Point.