The national parks of the United States hold great natural wonders and complex, varied ecosystems. A new study demonstrates that human presence in the parks, including everything from visitors and ...

Killer whale "Wikie", 10 years old, jumps with its baby, a female born one month ago at the Marineland aquatic park in Antibes, southeastern France, Monday, April. 18, 2011. AP Photo/Lionel Cironneau ...

A tourist has drawn the internet's scorn after a pet seemingly masquerading as a service animal terrorized wildlife at one of ...

The Press Democrat first reported the sighting, sending photos to Marianne Nyegaard, a New Zealand based researcher, who ...

If you have been waiting for the monsoon to end, it is time to start planning. Here is a list of national parks that reopen ...

A gray wolf connected to the deaths of five lambs and an ewe on Colorado’s Western Slope this summer was likely killed by ...