Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Flies are a common nuisance in the Ozarks year-round, but their activity can dramatically spike during heat waves. Warmer temperatures create ideal conditions for flies, encouraging them to move ...

The 2021 heat dome in the Pacific Northwest that overwhelmed emergency rooms and left hundreds dead. The 2022 heat wave in India devastated the wheat harvest. The deadly heat waves in France in 2003 ...

The world’s oceans experienced a staggering amount of warming in 2023, as vast marine heat waves affected 96% of their surface, breaking records for intensity, longevity and scale, according to a new ...

Every summer, heat waves affect millions of people around the world. The World Meteorological Organization reported that at least 10 countries experienced temperatures higher than 50ºC in 2023–2024.