Two butterflies native to South Florida are most likely extinct, according to the U.S. Fish and Wildlife Service.

How would you react if charged by a moose? A visitor at Denali National Park, worried about the safety of others, shot the animal in the head, a decision the Park Service has determined was justifiable.

For many, Big Bend National Park would not be the first place you would associate with fossilized dinosaur remains. However, the park located in south Texas continues to surprise researchers with the fossils that turn up.

With three years to go until the National Park Service celebrates its centennial, a bipartisan coalition of U.S senators and representatives is asking Pres. Obama to work with them on developing and executing a “bipartisan, dynamic, and effective initiative to commemorate the national park centennial and prepare our national parks for their second century of service to the American people.”