In Illinois, medical marijuana can now be used as a painkiller to replace opioids. We hear from a co-sponsor of the new law.

Subzero temperatures in Chicago are not unlike Arctic parts of the globe. Local scientists Scott Collis and Yarrow Axford share their experiences working on the edges of the world.

More than 90 percent of the 16,000-plus animals sheltered by Chicago Animal Care and Control last year were either adopted, transferred to a rescue group or returned to their owner, according to city data. 

Chicago police are asking for help identifying two persons of interest captured in surveillance images in the area of the Tuesday morning attack of “Empire” actor Jussie Smollett.

U.S. District Judge Robert Dow called the historic decree “an important first step toward needed reforms of the Chicago Police Department and its policies.”

In announcing her endorsement of Amara Enyia, Cook County Clerk Dorothy Brown called Enyia “a breath of fresh air” that will give Chicagoans hope.

As the polar vortex moves out, groundhogs, cocoa-inspired treats, craft brews and experimental theater usher in the weekend. Here are 10 things to do in and around Chicago.

Watch the Jan. 30, 2019 full episode of “Chicago Tonight.”

When walking through Chicago’s older neighborhoods, you can often find hints about the history of their buildings just by looking up. Geoffrey Baer looks back – and up – at some architectural gems.

Shocking news from City Hall as the scandal touches the statehouse. Political reporters Carol Marin, Paris Schutz and Amanda Vinicky dive into the story in this week’s roundtable.

While Chicago Public Schools students make plans for their futures, we speak with schools chief Janice Jackson about the present.

Chicago is seldom brought to its knees by brutal weather conditions, but Wednesday was a rare exception. And while subzero temperatures made the outdoors dangerous, they also created extreme beauty.

Just how historic is Wednesday’s polar punch, and how are city agencies helping residents cope?

Amid a stunning corruption scandal that includes government raids, undercover moles, Viagra and massage parlors, Joe Ferguson has called for reform of the City Council’s culture.

Unlike humans, birds do not have the luxury of high-powered heating systems to keep warm in the winter, but they do have a variety of unique adaptations to help them survive.