Four million people living in the Arctic permafrost area will be affected by damage to infrastructure.
The Russian military's first batch of Tor-M2DT anti-aircraft missile systems is just the latest reason the U.S. is looking to bolster its Arctic presence.
Around 50,000 troops, 65 vessels, 150 aircraft and 10,000 vehicles will take part in Trident Juncture 2018.
NATO allies will carry out exercises in the Arctic this month in response to reopened Soviet-era bases.
What happens to plants in this region could have important consequences for the rest of the planet.
Thawing permafrost is releasing more carbon dioxide than previously thought.
The belugas have fully accepted the orphaned whale into their group.
The permafrost beneath certain lakes is thawing rapidly, which will release a significant amount of methane into the atmosphere.
"There are 180 inhabitants, and we are very concerned and afraid," one resident said.
A hotel in Norway's Arctic archipelago of Svalbard received an unwelcome visitor and the governor had to fly by in a helicopter before the animal left.
The Akademik Lomonosov is on its way to the remote eastern region of Chukotka to provide electricity for 50,000 people.
The controversial floating power plant will be towed through the Baltic Sea and narrow European straits to get to the Arctic.
Evidence that the Arctic is warming rapidly extends far beyond shrinking ice caps and buckling roads.
The video shows what's happening both outdoors and inside the submarine, too.
Glaciers around the world are an important source of fresh drinking water.
Russia's defense minister gave a detailed review of his country's military upgrade in the Arctic.
Troops are training in subzero temperatures with little visibility.
The first member of the flock to spy the recording object goes in for a close-up, before a friend tries to hijack his spot.
"They're a seal-eating species. It's what they do."
Vladimir Putin has outlined the Arctic where Russia expects the U.S. and others to vie for "intimidating supremacy."
China has for the first time revealed its Arctic Policy. Will it follow Russia in bringing military power to the resource-rich region?
The village's electronic thermometer, installed to showcase the town's famously wintry climes, reportedly broke after hitting -62 degrees Fahrenheit this week.
The rate of fire increased by a third compared to the year prior, as Russia continues to pad out its Arctic military capabilities.
Schools across the Northeast have canceled classes for Thursday because of the frigid temperatures.
Fight for space or freeze on the streets: That's the chilling choice that homeless people across the United States face this week.