Researchers investigate the possibility of a tornado during the Jasper wildfire, exploring a new class of fire-generated tornadoes and their implications for Canada's changing climate.

The Icelandic Coast Guard has issued many warnings regarding icebergs in the past two days.

Wildlife officials in Yellowknife have confirmed that they killed a wolf in the Ranney Hill area, days after a person was bit by a wolf on the walking trail. They have not yet determined if it's the same animal.

"Grayling guts with unknown pearl like cyst or tapeworm. Never seen this before in our grayling."

Heavy rains and melting glaciers are making landslides in the area more common, says a geologist.

A New Hampshire resident's death from EEE prompts concerns over the virus's spread, leading to nighttime outdoor activity bans in Massachusetts towns.

The search for tourists believed trapped in a collapsed Icelandic ice cave has ended, revealing all were accounted for; experts criticize year-round tours as unsafe.

A landslide in Ketchikan resulted in one fatality, multiple destroyed homes, and ongoing emergency responses, following heavy rainfall.

Over the past few months, the Mass Department of Public Health, working with the Department of Recreation and Conservation, has deemed dozens of water locations throughout the state closed due to high bacteria levels.

Alaska Fish and Game officials are searching for a rare, potentially rabid wolf that unexpectedly attacked two people on the Dalton Highway.

The glacial flood, or jökulhlaup, is the first from the western cauldron in almost three years. This is considered to be a significantly lengthy break.

Meteorologists say the brunt of the storm is likely headed for the southern edge of the Seward Peninsula.

Communities along the lower Kuskokwim River and coastal areas in Western Alaska assess damage from recent storms, with flooding and erosion impacting homes and infrastructure, and a new storm potentially exacerbating conditions.

High water throughout the summer continues to erode the river bank.

Alatna and Koyukuk River water level rise in three days raising concerns for transportation, and community is on emergency flood watch.

A worker with a logistics company that operates the North Warning System in Nunavut has died after being attacked by two polar bears on Thursday. 

A heatwave is hitting Kitikmeot and Kivalliq communities this week bringing temperatures above 30 C (86 F), twice as high as the average temperature for these regions at this time of year.

Anchorage experiences unprecedented rainfall, leading to road closures and flood advisories due to overflowing creeks and waterlogged streets.

Erosion of the shoreline on Well Island is threatening the water line that connects the village of Noatak to their water supply. The Tribal Health System is coordinating with the federal agencies and state and borough to support water supply needs and repairs.

Minor flood stage will begin Monday morning, with flood water expected to crest sometime early Tuesday.