This rosy-pink chunk of petrified wood from Utah's Chinle Formation is the oldest-known fire-scarred fossil. SACRAMENTO, Calif. — After serving nearly 30 years as a doorstop for a nuclear physicist, a ...

After 225 million years, you could say Opal was more than ready for her closeup, Mr. DeMille. Only her name probably shouldn't be Opal — Agatha might actually be closer to her correct geological ...

Every once in a while, those who explore Nevada stumble upon a place that comes as a complete surprise. That’s certainly the case for a place called the Sump, which despite its less-than-enticing name ...

FLORISSANT — California’s towering sequoias — those massive redwoods whose lumber graces my backyard deck — are enormous plants. They grow nearly as tall as a football gridiron is long and sport ...

Have you ever heard of a curse associated with the Petrified Forest? Well, no, I hadn't. But turns out there is such a thing. First of all, does everyone know about the Petrified Forest? I would think ...

A sun-swept corner of the Painted Desert draws more than 600,000 visitors each year. While most come to see one of the world's largest concentrations of brilliantly colored petrified wood, many leave ...

In this video, we explore a large piece of petrified wood using a waterjet to determine if its appearance is consistent or merely a painted rock. The cutting process reveals the challenges of handling ...

An curved arrow pointing right. Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value. But in Indonesia, miners who risk their ...

SACRAMENTO, Calif. — After serving nearly 30 years as a doorstop for a nuclear physicist, a hunk of petrified wood from Arizona has finally been recognized as a one-of-a-kind find. The ...