The roster of national park "friends groups" has grown with the relatively recent arrival of the Friends of Arches and Canyonlands Parks, an organization working to support projects within those two red-rock gems of the National Park System.

A roundup of global national park news.

Tule Springs outside of Las Vegas is a hotbed of Ice Age fossils. A large coalition is working hard to make it a national monument.

Though spring is breaking out across many parts of the country, in the northern Rockies winter is still the norm, and in Glacier National Park visitors are being urged to let wildlife enjoy their winter range through mid-May.