In 2017, gem and mineral dealer Erik Rintamaki stumbled upon glowing rocks along a beach near Lake Superior. The rocks, which looked normal at first, fluoresced brilliantly underneath UV ...

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 ...

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DULUTH — The rest of the beachgoers, dog walkers and rock hoppers had cleared out Friday night, when Christopher Wenner was just getting started. Bent at the waist, and scanning the rocks on Duluth's ...

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Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Minerals are the non-living building blocks of the natural world ...

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 struggles ...

Leland, Mich. – What is dismissed in the daylight is considered treasure when the sun sets. While some hunt for the well-known, others know of a different prize that can only be found under the glow ...

BRIMLEY, Mich. (AP) — Two Michigan men are in conflict over recently discovered glowing rocks in the Upper Peninsula. Erik Rintamaki is credited with finding the sodalite-rich syenite rocks in 2017 on ...

Fresno, California (CNN) — 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. Fresno, California ...