The invasive Pacific oyster is spreading rapidly in Oslofjord, causing injuries to bathers and threatening local ecosystems, with Oslo municipality now offering a reward for their removal.

A large ice flow washed two cars onto Leirbotnvann in Alta, while large blocks of ice blocked the E6.

When the fisherman Lars-Ivar Dale pulled up his net, he suddenly saw a species of fish he had never seen before. Fish scientist is now asking for help.

Twenty-three of the 25 fires so far this year were ignited by human activity. While this year’s heavy snowpack and cold spring pushed back the start to fire season in many parts of the state, climate change is generally causing an earlier snowmelt, said climatologist Rick Thoman.

The risk of wildfires remains high in the southern part of the N.W.T., and the forecast is calling for more hot, windy weather in the days ahead. That makes for "a dangerous, truly extraordinary combination for this time of year."

Researchers at UiT The Arctic University of Norway have found a new volcano at Bjørnøya in the Barents Sea. "Seeing an underwater mud eruption in real time reminds me how 'alive' our planet is," says the expedition leader.

A culvert collapse closed the road at Mile 8 from 9 p.m. Friday until one lane reopened at 10 a.m. Sunday. The culvert was washed out by heavy snowmelt.

Greg Blackburn's boat was being tossed around by "heavy weather" in a notorious stretch of water. Two large orcas, otherwise known as killer whales, were responsible for the ramming but Blackburn said four more would join in - causing extensive damage to the boat. 

The break up on the Yukon River has been delayed this year because of ice conditions. Randy Audet has a home in the Rock Creek subdivision and went to check on it Monday, along with his mom's car. He's working out of town right now at a camp and also has another place to stay outside of Dawson City. Audet's whole property was underwater. "I've never actually seen this happen in 12 years since I've been living here."

Friday saw the N.W.T.'s first two reported wildfires of the season. Both were near Fort Smith. The first forest fire of the season 30 kilometres northeast of Fort Smith. They called the fire a holdover fire, which means it stayed active under snow over the winter.

Health and wildlife officials confirmed a dramatic rise in rabid foxes in Nome and the region, after a winter of increased fox attacks on dogs and people. According to an ADF&G press release, of 61 foxes that were dispatched in Nome and the area, 23 percent (or 14 foxes) tested positive for rabies. Of the 11 foxes that were found dead, or were killed by dogs or people because they behaved ‘rabid’, all tested positive.