Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

While the Chilkat Valley is not unique in facing landslides, the combination of steep slopes, heavy rainfall, aging ...

A new online portal by NASA and the Alaska Satellite Facility maps satellite radar meas-urements across North America, ...

Mountaineering rangers in Alaska have recovered the body of a Seattle man who died after falling 3,000 feet from a climbing route on Mount McKinley ...

Alex Chiu, 41, was ascending Mount McKinley's West Buttress climbing route with two others on Monday when he fell at a spot ...

The National Transportation Safety Board says a helicopter crash has killed two people on Alaska's remote North Slope.

For the last year, Alaska's Mount Spurr has been showing signs of a potential eruption on the horizon. If an eruption happens, it would likely occur at Crater Peak, shown in the background of this ...

Scientists have, for the first time, detected a landslide-generated tsunami using satellite data from a research ship.

Climate change has put Western Canada’s glaciers on track for devastating loss over the coming decades, with the southern ...

Climate change has locked in at least 75% of glacier loss in Western Canada and U.S., raising concerns for downstream ...