More than half the Arctic's coastline is Russian territory and in the last six years Moscow has built more than 475 military bases along its northern border.

A new area equivalent in size to Sweden has been mapped in the Arctic Ocean, contributing to the project's aim to map global seafloor by 2030 ...

The phenomenon, which blasts Arctic air across parts of North America, can disrupt weather patterns. According to the Windy weather map, temperatures are currently freezing or below in most of the ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.