Swarms of giant jellyfish are floating along the coastline of the Sea of Japan, and the damage they may cause to fisheries is feared to be the worst in more than a decade.

A self-cloning and invincible enemy invades coastal areas. The carpet sea squirt (Didemnum vexillum) or “marine vomit” have been observed nearby Stavanger and Bergen. Large yellow flakes has spread on the seabed and kills everything beneath. It may grow on boats and can spread along the coast.

The fishing trip to Gaiakulpen in Vesterelva offered a real surprise to friends Njord Lindgård and Tobias Holm (13).

Locals in Kotzebue showed a mix of excitement and concern over the weekend in response to reports that a rare polar bear was spotted in the area.

Entomologists confirm the report of the world's largest hornet — a worrisome invasive species that originates from East Asia and Japan — by a person in a rural area near the Canadian border.

Poaching and climate change might be the reasons why more than 1,200 migrating animals did not make it across the wide Arctic waterway.

Recent research has found that coccolithophore blooms are occupying increasingly more space in the Barents Sea. Between 1998 and 2016, coccolithophore summer blooms have expanded poleward and their surface area in the Barents Sea has doubled.

The notorious lúsmý (Culicoides reconditus), a species of biting midge that has colonised Iceland for the first time in the past few years. The tiny flies can cause severe reactions, with large, sore, itchy spots that can remain angry for a week or more, and sometimes spread into a sort of rash.

The most common pod of southern resident killer whales who migrate to the Salish Sea during the summer have not been seen for than 100 days, marking a highly unusual absence from their historic summer hunting ground, according to researchers.

On July 14, a rare 100-pound opah fish was found on the Oregon coast. The 3.5 foot 100 pound fish washed up at Sunset Beach, and was reported to the Seaside Aquarium.

Caulerpa brachypus, which can spread rapidly and create dense mats, was found in July in Blind Bay and Tryphena Harbour. This was the first time the pest species had been detected in New Zealand.

Researchers on an expedition 300 kilometers west of Vancouver Island stumbled upon a group of 25-30 endangered sei whales.

After a black bear was shot dead in her front yard, a Whitehorse resident is concerned that people are inadvertently luring bears into the neighbourhood by feeding wildlife.

An Aniak resident found these plants below Oskawalik and never have seen them before. Identification is still in progress.

A herd of wild Asian elephants that left Xishuangbanna National Nature Reserve in the south of Yunnan province last year is still moving northward, local media reported on Wednesday. The 15-member herd has traveled nearly 500 kilometers from its original habitat. Experts said the move northward is unusual and they do not know the reason for it.

Tine Aastrøm Lorentzen was on a trip in Rana and noticed what she thought was a bumblebee, but it was suspiciously silent. "It looked like a crossover of a bumblebee and a butterfly. I studied it more closely and found that I had to film this, because I had never seen anything like this before," she tells NRK. The latin name of that insect is Hemaris tityus.

As the weather gets warmer, the mosquito comes to life. Also in North Norway. But when Frank Pedersen enjoyed himself in the sun on 17 May, he was "attacked" by a mosquito he has never seen in Nordland before. It was Great house mosquito, Culiseta annulata.

The musk ox were stranded on the ice floes after wandering onto the sea ice during breakup.

Coyotes, first documented in Anchorage around 1900, are not often seen in Anchorage. The Alaska Department of Fish and Game estimates coyote population abundance using the Trapper Questionnaire reports, and consider the Kenai Peninsula, Copper River Valley and Mat-Su Valley to have the highest coyote population densities.

A decomposing sleeper shark was found on the beach in Kasitsna Bay.