Finnish military personnel told Business Insider that temperature variation is a huge threat to their weapons in the Arctic.

Another reinforcing shot of frigid air from the Arctic Circle will invade the eastern U.S. this weekend. Dozens of record ...

Military air stations in the frigid North.

Location, location, location: Greenland’s position above the Arctic Circle makes the world’s largest island a key part of security strategy. Increasing international tensions, global warming and the ...

Business Insider traveled north of the Arctic Circle to watch Finland's Jaeger Brigade train NATO forces on winter warfare ...

Equipment to help monitor climate change has been set up in the Arctic Circle by researchers from the University of Leicester. The team from the National Centre for Earth Observation travelled to the ...

Yamalo-Nenets Okrug is a remote Arctic region in northern Russia, defined by endless snowfields, frozen forests, and vast ...