Something has been off about the sky lately, and meteorologists are finally putting numbers to the feeling. Across the past ...

Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

When the bubonic plague reached England in the summer of 1348 — spread by fleas, lice, or infected humans, according to the latest theories — it reached a breeding ground for disease. Londoners’ ...

Extreme weather caused by shifts in a jet stream seems to have brought summers of fires, failed harvests and rampant disease across Europe over the past 700 years. That is the conclusion of an ...

Scientists say a closely watched atmospheric pattern — the jet stream — is behind both the Canadian wildfires and the scorching heat in Texas, raising questions about how it shapes extreme weather ...

Summer 2024 was officially the Northern Hemisphere's hottest on record. In the United States, fierce heat waves seemed to hit somewhere almost every day. Overall, the global average temperature was ...

The jet stream also played a role in the 2025 hurricane season. Given its west-to-east wind direction, the southward dip of the jet stream—along with a weak high pressure system over the ...

The North Atlantic jet stream, a fast-moving air current circling the Northern Hemisphere, may migrate northward in the coming decades if strong global warming continues. The consequences could be ...

Summer 2024 was officially the Northern Hemisphere’s hottest on record. In the United States, fierce heat waves seemed to hit somewhere almost every day. Overall, the global average temperature was ...

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 Texas, Kentucky and ...