Scientists have narrowed down the top likely causes of more than 1,400 seal deaths across New England.

With sea ice reduced, polar bears in the Arctic are spending more time on land, leading to increased attacks on people. Concerned Inuit communities want to increase hunting quotas, but researchers are testing new technologies they hope will reduce these often deadly confrontations.

A dead whale that washed ashore in eastern Indonesia had a large lump of plastic waste in its stomach, including drinking cups and flip-flops, a park official said Tuesday, causing concern among environmentalists and government officials in one of the world's largest plastic polluting countries.

The first formal count of polar bears in waters between the United States and Russia indicates they are doing better than some of their cousins elsewhere. However, in the longer term, it doesn't mean the Chukchi Sea bear population will not be affected. Fewer cubs were surviving into their second year and adult males weighed less and had smaller skulls, the U.S. Geological Survey found.

A raucous crowd has moved into Cowichan Bay and the volume and odour coming from them is wafting for blocks around. Locals estimate over 300 sea lions have descended on the Cowichan community and their presence is proving a huge tourist draw.

The two whales were spotted just 10 minutes outside of Pond Inlet, surprising local guides and scientists, who say it's a sign of shifts in the ecosystem.

A stranded whale on a Waikato beach has died, despite rescuers; best efforts to save it.

Three new humpback whales have been identified off the East Coast of Vancouver Island as that species makes a massive comeback in our waters.

Red tide has contributed to or is suspected in the deaths of nearly 190 manatees so far this year.

Ringed seal (Phoca hispida) found with jelly-like meat texture and thin skin near the armpit and ribcage.

Dead sea otter (Enhydra lutris) found on the beach with no obvious sign of injury although it did show signs of hair loss.

East Island, a strip of gravel and sand northwest of Honolulu, "appears to be under water" after Hurricane Walaka surged past Hawaii, officials said.

A meteorologist says unseasonably warm weather in B.C. is once again causing a large area of the Pacific Ocean to heat up considerably, emulating a phenomenon from past years known as the “blob.”

A rescue center says California sea lions are coming down with a potentially fatal bacterial infection in near-record numbers.The Marine Mammal Center in Sausalito says more than 220 sea lions rescued this year have been diagnosed with leptospirosis.

Large bull kelp (Nereocystis luetkeana) bed near the 1st channel marker, which used to attract sea otters, has disappeared.

The two men, who were both part of an active whaling crew, were in one of the boats on a towline, towing a whale to shore, when their boat flipped, according to fellow whalers who were there when it happened.

The whale washed up in the Brant Rock neighborhood, the second in the past two months.

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