There’s a heated battle in the Democratic primary for Cook County assessor that few saw coming. Fritz Kaegi talks about taking on incumbent Joseph Berrios in our candidate forum.

Could a fight over flights ground the mayor’s massive proposed expansion of O’Hare International Airport?

Ahead of the March 20 primary election, Chicago Tonight is hosting a series of candidate forums. Here’s what you need to know.

Three very different programs appeared on Chicago stages last weekend – and there is much more to come this month. 

Should naturopathic physicians be licensed in Illinois? A professional trade association says it’s a matter of public safety, but others say the move is not in the public’s best interest.

A pair of U.S. Postal Service employees in the south suburbs face more than two decades in prison after they were convicted this month for their role in a marijuana delivery ring.

Air pollution kills more than one million people every year in India. A team of Chicago students are now developing an app they think will give Indians the tools needed to confront the deadly problem.

Chicago students and activists spent Saturday afternoon at the Florida home of a Parkland shooting survivor and her classmates to discuss the impact gun violence has had on their lives.

Illinois voters can begin casting their votes in a series of heavily contested primary races, as early voting began in earnest Monday.

Watch the March 5, 2018 full episode of "Chicago Tonight."

It’s been 33 years since Loyola University was in the NCAA Tournament. But they’re back, and dreaming of repeating the magic of the school’s 1963 national championship team.

For young immigrants protected under the federal Deferred Action for Childhood Arrivals program, the future remains uncertain.

Cardinal Blase Cupich was one of the most prominent voices in Springfield last week calling for tighter gun laws. He joins us to talk about gun violence and gun legislation as well as immigration and school closings.

A new study by researchers at Northwestern University could help tech developers incorporate smell into virtual reality systems, adding a new wrinkle to technology that has, thus far, focused primarily on visuals and audio.

A recent warm-weather spell might make it tempting to dig into your garden. But with another cold spell likely, Chicago Botanic Garden’s Boyce Tankersley says it’s too early to break out the garden shears.