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

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 ...

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

Ecological warning lights have blinked on across the Arctic over the last 40 years ... Take, for instance, the example of COVID-19 tracking data: maps of county-by-county wastewater data tend ...