Behind the scenes, Smithsonian care teams welcomed four animal babies from three imperiled species: Hartmann’s mountain zebra ...

Dogs and human inspectors are checking boats for golden mussels at some lakes, but a patchwork of oversight leaves many lakes unprotected.

National Park Service officials confirmed a fatal climbing accident at Glacier National Park where a 42-year-old man fell while descending a steep, off-trail route.

A 42-year-old Utah man died after he fell while descending a mountainside in Glacier National Park in northwestern Montana, authorities said Friday.

A 42-year-old Utah man died after he fell while descending a mountainside in Glacier National Park in northwestern Montana, authorities said Friday.Brian Astle, of Provo, Utah, fell while going ...