A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

This winter, the Northern Hemisphere is suffering from cold waves. In South Korea, an unusually prolonged cold wave has ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Each hemisphere hosts two primary jet streams: The polar jet stream is typically found near 50 to 60 degrees latitude, across Canada in the Northern Hemisphere, where cold polar air meets warmer ...

Add Yahoo as a preferred source to see more of our stories on Google. At the same time, every hurricane that formed, including the three powerful Category 5 storms, steered clear of the U.S. mainland.

(The Conversation) – The summer of 2025 brought unprecedented flash flooding across the U.S., with the central and eastern regions hit particularly hard. These storms claimed hundreds of lives across ...