Each year people return pieces of wood to the park that they say have brought them bad luck and misfortune. Another must-see for visitors to Escalante Petrified Forest is the 50-foot petrified tree.

The name of the park gives it away: Most of the fossils you'll see at Petrified Forest are of exquisite petrified wood from the Triassic period over 200 million years ago.

The Lehi Hutchings Museum will add 25,000 fossils to its collection–a half-million dollar gift from a Utah man who spent his life collecting the specimens. The donation from Lloyd Gunther is the ...

SALT LAKE CITY — A newly discovered batch of well-preserved dinosaur bones, petrified trees and even freshwater clams in southeastern Utah may provide fresh clues about life in the region some ...

Arizona is full of fossils. Here's where to look for ancient sea creatures, petrified wood Shaena Montanari Arizona Republic 0:02 1:22 ...

Petrified wood is a familiar example of fossilization—pieces of tree trunks turn into super-hard rocks, but still retain growth rings and even cell structures of the once-living tree.

The Petrified Forest National Park in northeastern Arizona is well-known for the ongoing theft of petrified wood, even spurring a 2014 book called about people who feel guilty and return the ...

A section of petrified conifer from Mackelprang Wash, Arizona, USA. The green color comes from chromium along with the silica that has replaced the organic wood. It dates back to the Triassic ...

The name of the park gives it away: Most of the fossils you'll see at Petrified Forest are of exquisite petrified wood from the Triassic period over 200 million years ago.

Want to look for fossils or dinosaur tracks in Arizona? Here's where to spot them in Grand Canyon and Petrified Forest and on the Navajo Reservation.