Illinois officials’ criticisms of Texas lawmakers gerrymandering maps are drawing accusations of hypocrisy, but what is ...

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden air from the north, bringing it down to the surface.

We asked readers for their memories of Chicago’s deadly 1995 heat wave. Here’s what they said, lightly edited for clarity. “My great-grandfather, who grew up in the Deep South of Alabama and ...