Add Yahoo as a preferred source to see more of our stories on Google. Most people do their rock hunting during the day, but you can't find "Yooperlites" until the sun goes down. Yooperlites are rocks ...

Statement Correspondent Anna Whitney holds a Petoskey stone. Meleck Eldahshoury/DAILY. Buy this photo. If you can’t bring yourself to touch grass, at least touch rocks. I was always a “rocks and ...

Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, Minnesota and Wisconsin all feature ancient rocks known as gneisses — ...

The shores of Lake Superior are something to behold, with breathtaking scenery that changes with every mile. You can explore pristine lakeside beaches, naturally sculpted sandstone cliffs, and ...

Yooperlites are rocks that fluoresce under UV light. The best time to search for Yooperlites is after a storm, when waves may have unearthed new rocks along the shores of Lake Superior. Rock hunters ...