Jet streams are often referred to as the "motor" of global weather: High-altitude wind currents steer areas of high and low pressure, playing a crucial role in shaping our weather. However, how these ...

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 ...

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’ ...