The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole. The vortex is always present, but it strengthens in the winter due to a redistribution of heat ...

The allied militaries did not specify where within the Arctic Circle the exercise took place, but the area is home to Russian bases including Severomorsk in Murmansk and Arctic trade passages like ...

It's certainly shocking to climb down a ladder into 35-degree water, but it wasn't as ... a brilliant-green exclamation point on a visit to Arctic Sweden. Dave VanderWerp has spent more than ...

A month ago, an ordinary cell phone camera captured this rapidly mutating auroral display a single degree south of the Arctic Circle. Decades of celestial tour expeditions make us place the Northern ...

I traveled to Tromsø, Norway, roughly 200 miles north of the Arctic Circle. It's a gorgeous icy ... of removing my hand from ...

What could Donald Trump’s re-election mean for climate protection in the Arctic? That was a central question to U.S. Sen. Lisa Murkowski at the Arctic Circle Assembly, which took place in Reykjavík, ...