An extreme heat warning is in effect through Tuesday for much of Massachusetts.

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states feel the hottest.

More than half the country, including Illinois, is currently in a heat dome. Here's what that means and how to stay safe during excessive heat.

A heat dome over many Midwest and Northeastern states has led to record-breaking high temperatures.

Learn how to create a Heatmap in Microsoft Excel. Use Color Scales and custom rules to show heatmap in an Excel spreadsheet.

Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays and designed to work with the broader ...

Strava Heatmaps offer users a big-picture view of their activity worldwide. Find out how to see your Personal Strava Heatmap.