You need to start learning what the wet-bulb temperature is, as climate change makes the deadly combination of heat and ...

Triple-digit heat index values means heat with more humidity. But San Antonio won’t see actual temperatures of 100 degrees ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

You might've heard the phrase "it's not the heat, it's the humidity." However, when it comes to calculating the heat index, you need both values. As temperatures begin to climb towards the lower 90s ...

Your body can't cool off as quickly during a humid heat wave. Experts say you should make a heat safety plan to prepare for ...

You might've heard the phrase "it's not the heat, it's the humidity." However, when it comes to calculating the heat index, you need both values. As temperatures begin to climb towards the lower 90s ...

When heat and humidity are high, people are more likely to opt for cars when possible. New research from MIT finds that, ...

Similar to Tuesday, scattered showers and storms are likely to bubble up during the afternoon hours today, giving some of us a brief (but welcome!) bout of rain-cooled air.

Explore news and insights on climate change, environment policies, global warming and sustainable practices with The New York Times Climate and Environment section.