More than 2.5 million sockeye have returned to spawn in the Nushagak River this year, one of the highest counts on record. They have filled pools and creeks, jumping and swimming their way to their spawning grounds.

Why are barnacle geese and seagulls dying by the dozens in Helsinki and not Turku? The birds have been dying in droves off the coast of Helsinki, and in the islands off coastal cities nearby as far out as Inkoo in the west and Porvoo in the east. The phenomenon was first reported on Thursday by Helsingin Sanomat.

Koliganek and New Stuyahok are still waiting on their first barge of the year. Heating fuel use for residents and businesses in New Stuyahok is limited.

Smoke from a handful of fires in northeast Alaska and across the border in Canada drifted south to Fairbanks on Tuesday and is expected to linger through Wednesday night.

More polar bears on land have been encountering more people in the Arctic, a perfect storm of dangerous conditions, one scientist says.

The remote Arctic tundra may seem like the last place on Earth human pollution should be causing a problem — yet it’s filled with mercury contamination.

Which is worse: getting eaten, or drowning? Read on.

The state Department of Health announced Wednesday that a Saratoga County resident died in recent months after contracting a rare tick-borne illness known as Powassan Virus.

Sea level rise will affect the Bay Area. A new study by UCS projects when will flooding happen regularly, and what areas will affect to help communities prepare for the changes to come.

A major wildlife rehabilitation facility is bracing for the devastating impact of the B.C. wildfires on birds and mammals.

The warm periods are linked with storms that penetrate into the Arctic from the Atlantic and Pacific oceans, and bring the temperature up by as much as 30 C in the middle of winter.

A fire ban, announced yesterday, includes two territorial parks, the GNWT confirmed.

Pilot whales are abyssal creatures, usually spending their lives far away from land. It is not known for sure why the whales drift ashore but they might be confused when they encounter shallows on their swims.

The dozens of wildfires burning in the West are a symptom of our increasingly variable climate.

As wildfires continue to rage in B.C., there's no rain relief in sight

A wildfire burning near Fort Good Hope, N.W.T. has increased in size to over 8,000 hectares and is moving closer to the community.

Beach walks this summer find many familiar creatures absent. This changing natural world demands attention and caring.

Pipes are built over bulging and unstable Arctic pingos prone to violent eruptions caused by 'thawing methane gas', as seen twice on the Yamal peninsula this year.

Emerald Ash Borer Detected in Quebec City - a larva was found under the bark of one of the 400 branches taken from municipal ash trees in 2017. "

A family in Alaska watched in horror as their beloved cabin (pictured) that was built in the 1940s was swept away by the Matanuska River over the Fourth of July weekend.