THE KEWEENAW, MI — These eleven lighthouses once guided ships around the treacherous, rocky shores of Michigan’s northernmost ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here ...

Vandals spray painted Black Lives Matter on a building, and painted on a directional sign at the historic site.

Watersmeet gneiss is found in Michigan's Upper Peninsula. Minnesota's Morton gneiss previously held the title for oldest rock in the U.S. Scientists recently unveiled the nation's newest "oldest ...