One of the fastest-growing sectors for flightseeing in Alaska is helicopter flightseeing. Hovering over a blue pool on a ...

ICEBREAKER: Glacier collapse turns rescue training into high-stakes emergency on Peru’s Vallunaraju mountain peak.

The National Park Service and the federal Fish and Wildlife Service have withdrawn plans to translocate endangered trout to a ...

From dormant volcanoes and salt pans to urban forests and library gardens, these are the places we go for peace and quiet.

"For us, it's not just a new discovery, but also a wake-up call." Scientists stunned by new images from beneath Antarctic ice ...

Juneau is installing massive sand-filled barriers to protect 450 homes in Mendenhall Valley from expected glacier floodwaters this fall. Officials aim to finish by July 1.

The day the ski industry has been waiting for since last summer is finally here this week. The Natural Selection Tour Ski stream goes live this week, so you can watch all the jaw-dropping action from ...