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The CDC recommends booster shots for healthcare workers and other at-risk groups
Sep 24, 2021 5:04 PM
Featured in polar vortex
Feb 18, 2021
Explaining this week’s deadly US cold snap
It’s been a strange and awful week in the South.
Jan 11, 2021
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.
May 8, 2020
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.
Oct 11, 2019
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.
Feb 11, 2019
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.
Jan 31, 2019
What the heck is a frost quake?
Heard a big boom during a polar vortex? Here's what's up.
Jan 30, 2019
Megapixels: The polar vortex looks even colder from space
The Great Lakes are mighty chilly.
Jan 24, 2019
Climate change is making winter colder in the Northeast
Rising temperatures are weakening the jet stream, allowing frigid Arctic air to reach further south.
