An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Do you know a child who finds endless wonder in nature and expresses that wonder by collecting EVERYTHING, from shells to sticks to rocks? Exploring and collecting are signs of intellectual curiosity.

Don Gerig’s daughter was five years old when she began picking up “pretty rocks” in the gravel driveway of their home in Canby, Oregon. The cardiac physiologist and father of two was happy to take her ...

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 ...

The chemical and physical capabilities of shale can be altered by the interactions between fracturing fluid and shale formation, affecting the long-term reservoir productivity. To obtain information ...

Mama’s Minerals is the largest rock, crystal and bead shop in the Southwest. You’ll find all sorts of interesting and beautiful mineral treasures and other products like authentic fossils, natural ...

The 64th annual Kalamazoo Rock, Gem, Fossil, and Mineral show returns this weekend to the Kalamazoo County Expo Center. This year's show will feature 49 vendors ranging across all fields of geology ...