Imagine it as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the pole. But here’s where things get interesting: the polar vortex’s behavior is closely ...

That big-picture perspective is centered on the Arctic and driven by two atmospheric phenomena. The first is the polar jet stream, a huge current of air that circles the globe between 50 and 60 ...

'What happens in the Arctic doesn't stay in the Arctic,' says a conservation lead and climate expert on the accelerated warmth occurring in the polar region. "The Arctic is being transformed in ...