Biologists say they’ve been unable to confirm several reported sightings, including one from a resident who’s sure a cougar showed up in his yard.

Thawing sea ice may have opened the door, allowing the infection to cross oceans, a new study suggests.

The ice may look solid, but emergency officials are warning Yukoners to be wary. M.A. Chartrand learned that the hard way last week.

As much of the Lower 48 braces for frigid weather, Anchorage-area temperatures have run some 13 degrees above normal so far this month.

The man was walking his dogs on a well-used trail when he came across a sow with two cubs, a Fish and Game assistant area wildlife biologist said.

Aerial surveys this September and October show the bowheads aren’t where they usually are.

The oval ice formations created by wave action were piled up on a Hailuoto beach.

Danny Foster and Mike Hawley of Kivalina were ice fishing outside of town when they came upon something they’d never seen before. Incidentally, similar ice balls or ice eggs were reported on an ocean beach in Finland on the same day.

Researchers in Kurils Nature Reserve confirm no less than 10% of the bear population has a distinctive silver coat.

Erosion of Russian era graves is a concern because of history with epidemic, and tribal office has to collect and rebury remains.

“I could hardly believe my eyes,” said Ingólfur Sveinsson, resident of the Skagi peninsula.

Noatak site experiencing thawing and subsidence.

Mergansers (Mergus merganser) are not common visitors to Cheney Lake, but a flock of about a dozen showed up in early November.

Gradual sea ice reduction and reconfiguration of the coast, have increased the rate of erosion near Port Heiden over the course of several decades. Draining of Goldfish Lake brings memories, loss of community landmark, and many emotions.

A blob menacing Hawaii is now visible from space. A massive heatwave in the Pacific Ocean is killing off coral. Satellites are capturing the destruction so that scientists can learn how to rebuild the reefs.

As the Cape nears the start of sea turtle stranding season there is another long-distance migrant that researchers have spotted coming ashore in record numbers this year, Ocean sunfish.

This is one of just a small number of Blue Jay sightings recorded on Vancouver Island, British Columbia, Canada.

Observers seek guidance on causes for road cracks and how to address damage.