For over half a century, Glenwood Springs’ High Country Gems and Minerals, affectionately known as “The Rock Shop,” has drawn ...

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

Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

Scientists have discovered that the oldest intact rock in the United States is not in Minnesota or Wyoming—but in Michigan’s Upper Peninsula. The 3.62-billion-year-old Watersmeet Gneiss is rewriting ...

Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

These intimidating enemies are made up of rocks and crystals, and they certainly aren’t as troublesome as they look. There is one lone Hexga, sat outside of Tide Caverns, who could use the ...

Captains for Clean Water, the Florida Oceanographic Society and Friends of the Everglades worry the rock mine will harm the ...