Just how old is the artwork in the "Great Gallery" of Canyonlands National Park? It's a question that long has dogged archaeologists, and which recently produced a new, much more recent, time period assigned to it.

Capitol Reef National Park and the Entrada Institute are partnering later this month for the annual Heritage Starfest. The weekend will be full of special events, guest speakers, stargazing, telescope viewing, storytelling, and more.

Annual problems with predator hunting in national preserves in Alaska have prompted the National Park Service to propose a permanent federal prohibition against certain hunting practices.

My 10-year-old daughter, Alex, and I follow the steep and rugged New Hance Trail on a nearly 5,000-vertical-foot march down into the Earth’s most-famous hole in the ground. The sky seems to levitate steadily higher above us, but it’s just a trick played on the eyes by the severe topography of the Grand Canyon: As we slowly descend deeper, burgundy rock walls creep higher, pushing the cerulean dome overhead farther away from us.