Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value.

"Congratulations, what a great score!" Thrifters floored by 'white-whale' discovery at local shop: 'What a dream find' first ...

After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each ...