In the far, northwestern corner of Oklahoma's Panhandle, you can find Black Mesa State Park and Black Mesa Nature Preserve.

Mars Rover accidentally ran over a rock and broke it open — revealing mysterious yellow crystals inside More life-related ...

Kellie Ziehm opened Crystals by Kellie in Monroe after years of collecting and sourcing crystals. The shop offers a variety ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.