Excessive heat is dangerous. Here's what to know before it strikes Delaware this summer.

It could boost temperatures, humidity and the threat for tropical storms in the West through summer.

A long-duration heat wave is taking shape over the western half of the U.S. and is forecast to stick around in the days ahead. A high-pressure system in place over the West is keeping precipitation ...

People flock Baker Beach near the Golden Gate Bridge as heat advisory issued in San Francisco, California, on March 16, 2026. Reporter A historic March heat wave has brought record-breaking ...

For decades, coral reefs throughout the Caribbean have been suffering from disease, pollution, overfishing and rising sea ...

Rosen’s proposal, the Extreme Heat Emergency Act, would explicitly add "extreme temperatures" to the list of events that ...

WASHINGTON (AP) — Marine heat waves are supercharging damage caused by hurricanes and tropical cyclones across the globe, a new study found. Researchers looked at 1,600 tropical cyclones — the broader ...

Global distributions of annual average heat wave metrics and differences for lake heat waves and atmospheric heat waves. Credit: Communications Earth & Environment (2025). DOI: ...

Extreme heat can trigger excessive sweating that overwhelms the body’s natural cooling system, potentially leading to heat cramps, heat stroke and even death in severe, untreated cases. An ...

The unusually hot waters are lurking in the sea off the California coast, and they could wreak havoc on the state’s weather and marine food chain.

California’s coastal waters are experiencing a marine heat wave, with record or near-record ocean temperatures reported along ...