Less than a month after a conservation group expressed its displeasure with the Obama administration for not providing Endangered Species Act protection to the American pika due to the plight it might face due to climate change, a new study suggests the tiny mammals are more widespread than thought and seem to thrive in a temperature range greater than long thought possible.

Poets tell us where young men's thoughts turn in the spring, but the staff at Big Bend National Park knows the arrival of warmer weather means life in that park is going to get crazy. Big Bend's busy season is here, and a spate of recent incidents proves it must be spring in the desert.

With winter easing its grip on the Northern Rockies, work is under way in Yellowstone National Park, and soon will be under way in neighboring Grand Teton National Park, to clear snow from the roads.

How hoary bats ever managed to cross thousands of miles of open sea to colonize the Hawaiian Islands is a mystery we may never solve. Scientists do think we’ll figure out how to make their place in the islands secure for the foreseeable future.