Chicago had the worst air quality in the world on Thursday. There is an Air Quality Alert for most of the area through Friday.

Nathan Forde was last seen riding his bike on the Illinois Prairie Path near Spring Road around 7:30 p.m. Thursday. Forde was last seen wearing a blue Ralph Lauren shirt, blue cargo shorts and ...

A female pedestrian was struck and killed by a vehicle on the city's South Side Thursday evening, Chicago police said.

Pritzker said Illinois is the first in the country to provide universal mental health screenings for children in public schools.