Yooperlites can be found as loose pebbles and cobbles along many Lake Superior beaches and even in some inland gravel pits.

There’s an eerie glow in the northern U.P. When the Bays de Noc are napping and when the Superior shoreline is asleep, some ...

Here's what you need to know about this newly discovered rock, along with information on how you can hunt for your own Yooperlites on your next trip to the Upper Peninsula. What is a Yooperlite? ...

But the most famous exhibit of them all is the world's largest public display of fluorescent rock samples. Yes, they are ...

At some point in the dawn of humanity, a smarter-than-average homo sapien moved a rock away from the fire for warmth and invented the thermal battery. Over a million years later, as humanity ...

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.