It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems ...

High above the Arctic, scientists are tracking a major change in the atmosphere this January, an event similar to what triggered the deadly 2021 Texas freeze. That disaster killed more than 200 people ...

Editor's note: CNN’s Laura Paddison contributed to this report. (CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, ...

The polar vortex has been snapping back and forth from a normal to a stretched state with unusual frequency this year, hence all of the cold snaps, Cohen said. At least 10 of these stretched polar ...