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(U.S. Air Force photo by Senior Airman Hailey R. Staker)

Do you have old prescription medicines in your cabinet? Don’t flush them down the toilet or throw them in the trash. Instead, dispose of them Saturday, no questions asked, at DEA-sponsored sites. 

In this July 24, 2017 file photo, a Caterpillar excavator rests at a housing construction site in North Andover, Mass. Caterpillar Inc. reports earnings Tuesday, Oct. 23, 2018. (AP Photo / Elise Amendola, FIle)

Caterpillar beat most profit and revenue expectations in the third quarter, but company shares were punished Tuesday when Wall Street sensed some pessimism in the company's outlook, which remains unchanged.

(KeithJJ / Pixabay)

A gene associated with the learning disorder dyslexia may make some athletes less susceptible to concussions, according to a new study by Northwestern Medicine and Penn State University.

(Laura Marie / Flickr)

Chicago-based environmental group Openlands has received a $1 million grant to address climate change by planting new trees and recruiting residents to protect them. 

A new book offers a peek at how other people spend their money, and shows how that can you help you control your own finances.

The Illinois governor’s race has gotten a lot of attention, but do you know who else you’re voting for? How a Chicago company is helping inform voters about their candidates and referendums.

A pair of new photography exhibitions offer a side of celebrity but focus on one man’s view of the struggle for civil rights.

President Donald Trump is visiting southern Illinois this weekend. What our colleges at the “PBS NewsHour” say we can expect from that visit. 

Why the majority of Chicago police officers recommended by the police superintendent to be fired this year have instead kept their jobs.

Watch the Oct. 23, 2018 full episode of “Chicago Tonight.”

Chicagoans can weigh in on the proposed police consent decree over the next two days. We unpack the legal document.