A walrus has tested positive for trichinella, also known as “pork worm” in Sanikiluaq, Nunavut according to the territorial health department.

An endangered whale that has only been seen off Canada's west coast twice in the last 50 years has been seen alive and well in BC waters.

An off-course beluga whale was spotted splashing around near London, and Brits can’t quite believe it.

Ice in the north Bering Sea is diminishing, researchers aboard a Coast Guard ship report.

Walruses over the last decade have come to shore on the Alaska and Russia sides of the Chukchi Sea as sea ice diminishes because of global warming.

Scientists are baffled by a wave of whale deaths - which saw more carcasses wash up on the coasts of Scotland and Ireland in the past month than in the previous decade.

Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.

NOAA and NASA satellites measured an average sea-surface temperature of 68.93 degrees Fahrenheit in the Gulf of Maine on Aug. 8, only 0.05 degrees below the all-time record high of 68.98 set in 2012. It is the epicenter of the U.S. lobster fishing industry, an important feeding ground for rare North Atlantic right whales .

Why did the sea lion cross the road? Scientists don't know yet.

But the appearance of new chemicals is creating an uncertain future for polar bears, orcas and seabirds.

The animals didn't necessarily become sick, researchers said, but were encountering the new pathogens much more frequently.

A woman's impromptu grocery store trip turned into a winter horror story Tuesday afternoon in Resolute, Nunavut.

Vitamin D deficiencies have long been a concern in high latitudes because sunlight — which stimulates its production in the body — is scarce in winter months.

Walruses were found washed up on the beaches from Cape Espenberg to Shishmaref and further west. Samples taken from the intestines of four walrus all had moderate to high levels of saxitoxin.

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Shorter periods of sea ice on Hudson Bay as a result of climate change translate into fewer polar bears in Churchill region.

Tissue from the recent necropsy on a humpback whale remains on Kincaid beach

130 dead seals washed up in Russia's Lake Baikal, and scientists have taken lake water samples and biopsies of the animals. Preliminary theories about the die-off did not suggest pollution is the reason.