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 ...

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 ...

A recent study in the journal Nature shows that when the summer jet stream over Europe veers north or south of its usual path, it brings weather extremes that can exacerbate epidemics, ruin crop ...

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’ immune ...

(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 ...

At the end of October 2024, a grey gloom descended over the British Isles. Nothing unusual there. But this murky shroud was particularly persistent, even for the UK. Some regions barely saw the sun ...

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 ...