Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across ...

The high-speed winds of jet streams, found near the top of the troposphere, play a major role in guiding weather systems. Many factors, including Earth's rotation and the Sun's uneven heating of Earth ...

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 ...

Extreme and prolonged heat waves are becoming more frequent as the global climate warms. Unusually hot conditions across western North America, the Mediterranean and southern Asia this year have been ...