It’s been a strange and awful week in the South.
This might spell a snowy January for the US. Or not.
The polar vortex is swooping in to cool down our spring.
A bout of freeze snaps and blizzards doesn’t change the reality of warming global temperatures.
It's the perfect storm.
It bends, it twists, and scientists are split on what's causing it.
Heard a big boom during a polar vortex? Here's what's up.
The Great Lakes are mighty chilly.
Rising temperatures are weakening the jet stream, allowing frigid Arctic air to reach further south.
You'll want a winter coat.
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