To prepare for a heat wave, it's important to understand how to prevent heat exhaustion and heatstroke. Here's how to stay safe in extreme heat.

It might feel unseasonably hot where you are right now. That's thanks in part to a heat wave in the Pacific Ocean.

Maricopa County, Arizona, and Clark County, Nevada, offer a cautionary tale about what it takes to keep people alive in ...

State and local governments are learning to do more with less by treating resource allocation as a strategic tool for ...

New research shows that marine heat waves can reshape ocean food webs, which in turn can slow the transport of carbon to the ...

Beyond disrupting the ocean’s food web and fisheries, the underwater heat wave, known as "The Blob," can alter weather on ...

As climate change worsens, the frequency and severity of deadly heat waves continues to increase. More than 21,000 Americans ...

A wide variety of clean energy resources can strengthen the electric grid and help protect Americans from the increasing health threats and power outages fueled by climate change-driven extreme heat ...

More triple-digit temperatures baked parts of Los Angeles and Orange counties on Friday as a late-summer heat wave promises to stretch into the weekend, prompting an extension of some heat warnings ...

Israeli children cooled off in a water fountain near Jerusalem's Old City on Aug. 13, as temperatures in Jerusalem reached 102 degrees, during a scorching heat wave. Photo by Debbie Hill/ UPI Aug. 25 ...

Scientists expect species that rely on cold water, including trout, to increasingly struggle as streams heat up. (JMichl / iStockphoto via Getty Images) U.S. rivers are running hot. A new analysis of ...

High temperatures over prolonged durations can affect grid resilience and reliability and lead to outages. Main highlights: On June 19, a line of thunderstorms struck the northern Virginia area where ...