Fossils

How to Tell If a Rock Is Worth Money

When you find an unusual or eye-catching rock and wonder if it might be valuable, the first step is careful observation and …

What Are Pyrite Ammonites

Pyrite ammonites are fossilized shells of extinct marine mollusks whose original material has been replaced or coated by ir…

Was the Top of Mount Everest Once Underwater?

Yes, Mount Everest was once underwater —but not as the towering peak we see today. The rocks at its summit were formed on th…

Lepidodendron: The Scale Trees

Lepidodendron , commonly known as “ scale trees ” due to the diamond-shaped leaf scars adorning their trunks, was an extinct…

Green Petrified Wood from Arizona

A rare green variety of petrified wood has been documented in a small, now-exhausted deposit of the Upper Triassic Chinle …

Fossil Cockroach Found in Baltic Amber

Cockroach  Fossil Found in Baltic Amber in Kaliningrad, Estimated at 35–40 Million Years Old. Fossilized cockroach preserved…