Heat waves can form when a high-pressure system moves into a region and stalls. The system can force warm air downward, acting like a cap as it keeps the cool air near the surface from rising, ...

When Floridians talk about extreme weather, hurricanes dominate the conversation. Each season brings updates on storm tracks, ...

The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating high pressure. Wind is the ...

Millions of people in southeastern Australia are sweating through a record-breaking heat wave. The heat this week is likely ...

Heat and smoke from wildfires are spreading across the country this week, impacting air quality and prompting heat alerts from Canada to the Gulf of Mexico. A ridge of high pressure has expanded over ...

Extreme heat can become lethal quickly. A young man cools off at Washington, D.C.'s Yards Park during a heat wave in 2021. Olivier Douliery/AFP via Getty Images For many people, summer is a time for ...

By Edward Carver Marine heat waves have become longer and more frequent along the U.S. West Coast, as elsewhere in the world. But heating doesn’t always lead fish to change their location. A new study ...