Small crowds, big fun—here’s why a Yosemite winter visit should be on your travel list, and what to know before you go.

A new study provides a clear picture of how birds are responding to climate change in the mountains near Vancouver.

The snakes first came to Florida when a hurricane blew off a python breeding center. Ever since they have been breeding like ...

Taylor, a Mexican gray wolf, has left his recovery area three times now and some advocates say he's trying to tell us ...

Valuable eels are in decline all over the world, leading to a new push for restrictions on trade to try to help stave off extinction.