Dozens of serial killers have terrorized American communities over the decades, from H. H. Holmes becoming “the Beast of Chicago” in the 19th century to “the Hillside Stranglers” inciting fear across ...

Bay Area residents may have felt disoriented when they stepped outside this week. The unusually humid conditions are due to high sea-surface temperatures accompanied by light rain in the region, ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Hot summers are nothing new for much of the United States, but the combination of heat and humidity has taken on a truly antagonistic role this year, pushing us closer to our melting points in an ...

Hot, sticky and unrelenting: That has been the experience for much of the country this summer, including more than a dozen states that had record high humidity in July. Last month was muggier than ...

Called "corn sweat," evapotranspiration is the process by which plants release water vapor into the atmosphere, increasing humidity. While corn sweat contributes to humidity, large-scale weather ...

It's high summer in the Midwest and the corn is "sweating." The process, which despite its nickname does not involve any actual sweating in our sense of the word, is officially known as ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

Some hot days feel even worse thanks to high humidity, trapped heat and dew points. Cities are especially vulnerable. By Nazaneen Ghaffar Nazaneen Ghaffar is a reporter on The Times’s weather team. It ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

The Chicago area is bracing for extreme heat and humidity in the coming days, and experts said it could become more common with changing weather patterns. A Chicago doctor said extreme humidity ...