Before automobiles, Chicago basically ran on horsepower. Find out how the city kept its streets free of manure in this encore edition of Ask Geoffrey.

Explore the hot new sport of drone racing and meet the suburban man who is one of the best in the world.

As tens of thousands of individuals gear up for the Women’s March on Chicago, a report released by NARAL Pro-Choice America offers insight into one of the event’s focal points: where the country and state stand in terms of reproductive rights.

Chicago Tonight sits in on a training class that aims to teach Chicago police officers how to better engage with the community.

One of the dance captains of “Hamilton” taught a master class at a Chicago school for the arts. We were there to witness the cultural exchange.

Dean Angelo, president of the Chicago chapter of the Fraternal Order of Police, gives us his take on the U.S. Department of Justice report on the Chicago Police Department.

Watch the Jan. 17, 2017 full episode of "Chicago Tonight."

Former Chicago Public Schools CEO Paul Vallas on his new appointment to the board of beleaguered Chicago State University.

Thousands of teachers miss class time within Illinois each week, and thanks to a shortage of substitute teachers, an average of 600 K-12 classrooms are left without an educator each school day, according to a new statewide study.

Over the course of its history, the Peggy Notebaert Nature Museum has amassed a collection of about 390,000 animal specimens and artifacts. We get a close look at five of these rarely seen items.

Pollution causes 10 million deaths per year, according to an upcoming report written by 50 researchers and policymakers, including Chicago-based energy experts.

From San Francisco to Stockholm, stories of people who started small and ended up solving problems in their community.

Can an app reduce a person’s depression or anxiety? Or predict when someone might have a manic episode? Researchers from two local universities say yes.

The Chicago native died Monday afternoon at the age of 82.

Watch the Jan. 16, 2017 full episode of "Chicago Tonight."