Officially, the word is that the inability to provide potable water and toilets to the High Sierra Camps in the backcountry of Yosemite National Park will keep the camps closed this summer, though a lack of park staff also could be playing a role.

Construction on a popular Bryce Canyon National Park hiking and biking path that connects some of the park's most spectacular views is slated to begin in late May and last five months.

Two young grizzly bears have been founded dead in Grand Teton National Park, the apparent victims of another grizzly.

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what these flows look like in their interior, or how the unique textures that can be observed in rocks across Yellowstone National Park formed?