Featured in polar vortex

Explaining this week’s deadly US cold snap
The polar vortex is about to split in two. But what does that actually mean?
The polar vortex is bringing snow to the US this weekend, because chaos loves company
Record cold temperatures don’t mean the planet isn’t warming
The midwest is in the midst of record-breaking, deadly floods
The polar vortex is running wild—and it may not be because of climate change
What the heck is a frost quake?
Megapixels: The polar vortex looks even colder from space
Climate change is making winter colder in the Northeast
The polar vortex split apart. Here’s what to expect.