Find the answer for Crystal-filled rocks from the people who brought you the USA TODAY Daily Crossword Puzzle.

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 ...

Researchers have published a study that outlines the discovery of three new types of minerals never before catalogued on ...

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