Severe and extreme heat-related impacts are expected across a wide swath of the U.S. this weekend and next week.

Land surface temperature (LST) is a critical parameter for understanding Earth's energy balance and monitoring climate change ...

How is the heat index calculated, and why is it more important than the air temperature during some heat waves?

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