Yellowstone National Park’s famoushot springshave long fascinated visitors with their vibrant colors and steaming pools. For ...

Inspired by the wilderness and untamed beauty of the great outdoors, Mifflin County photographer Bill Sisson travels to some ...

Without the ability to protect the ecosystems that species depend on, the hard-won gains of decades of conservation work ...

The tiger beetle, Cicindelidia haemorhagica, first astounded scientists in 1891 when early Yellowstone explorers recorded ...

A third reintroduced gray wolf from British Columbia has been found dead, this time in Rocky Mountain National Park. The U.S. Fish and Wildlife Service is investigating the death, as gray wolves ...