A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

A powerful winter storm in late January 2026 is impacting much of the central and eastern U.S., bringing freezing rain, sleet ...

A massive winter storm driven by a weakened polar vortex has swept across the United States, killing at least seven people ...

An Arctic blast in the US has frozen tree sap, causing immense pressure that makes trees burst with a gunshot-like sound, a ...

Arctic winds grip the US Midwest, fuelling record cold and viral claims of ‘exploding’ trees. Experts explain frost cracking as the polar vortex triggers life-threatening winter conditions.

A deadly winter storm fueled by a polar vortex has killed at least seven people, cut power to 800,000 homes, and disrupted travel across the US ...

A powerful winter storm has killed at least seven people in the US and cut power to over 800,000 homes. A powerful winter storm has swept across large parts of the United States, killing at least ...

Boiling pasta thrown into the air turns into a chilling visual as record-breaking cold grips parts of the US. Scientists explain what’s driving this extreme weather ...

Hundreds of thousands of households in the US have no power as a major storm rolls across the country, which is also leading ...