Featured in polar vortex
Explaining this week’s deadly US cold snap
It’s been a strange and awful week in the South.
The polar vortex is about to split in two. But what does that actually mean?
This might spell a snowy January for the US. Or not.
The polar vortex is bringing snow to the US this weekend, because chaos loves company
The polar vortex is swooping in to cool down our spring.
Record cold temperatures don’t mean the planet isn’t warming
A bout of freeze snaps and blizzards doesn’t change the reality of warming global temperatures.
The midwest is in the midst of record-breaking, deadly floods
It's the perfect storm.
The polar vortex is running wild—and it may not be because of climate change
It bends, it twists, and scientists are split on what's causing it.
What the heck is a frost quake?
Heard a big boom during a polar vortex? Here's what's up.
Megapixels: The polar vortex looks even colder from space
The Great Lakes are mighty chilly.
Climate change is making winter colder in the Northeast
Rising temperatures are weakening the jet stream, allowing frigid Arctic air to reach further south.
The polar vortex split apart. Here’s what to expect.
You'll want a winter coat.