In the hills outside the small village of Sexi, Peru, a fossil forest holds secrets about South America’s past millions of years ago. When we first visited these petrified trees more than 20 years ago ...

Petrified wood is found in many locations on all seven continents; so, why has no one used petrified wood for tree-ring science? The answer is that no one has succeeded, until now. And why should ...

“Onyx Bridge is a dramatic example of petrified wood” found in a layer of rock that dates back 210 million years, the National Park Service reports. National Park Service photo One of the world’s most ...

The University of Arizona women’s basketball team (9‑3) suffered a close defeat against the University of Utah Utes (10‑3), falling 63–62 on Monday, Dec. 22 in McKale Center. Despite a determined ...

In the hills outside the small village of Sexi, Peru, a fossil forest holds secrets about South America’s past millions of years ago. When we first visited these petrified trees more than 20 years ago ...

How would you like to step into a 36 million-year-old forest? In Flora, Mississippi, you can do just that. Flora is the home of Mississippi's Petrified Forest, a National Natural Landmark. A trail ...

One of the world’s most “dramatic” examples of a petrified Triassic-era tree has lost “its battle against gravity” and collapsed, according to the Petrified Forest National Park in Arizona. Known as ...

Deborah Woodcock has received funding from the American Philosophical Society, the National Science Foundation, and National Geographic. Herb Meyer has been supported in this project as an employee of ...