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Mayor-elect Lori Lightfoot visits Washington, D.C. Legalized pot and a progressive income tax face hurdles in Springfield. And Cubs fans boo the return of Addison Russell.

The new habitat will also bring a new pride of lions, with the zoo’s current group set to depart for a Kansas zoo in the coming weeks. 

Last year, about 5,400 detainees at Cook County Jail received treatment for opioid use – an average of 375-400 each month. The county will be able to expand its services for opioid use disorder, thanks to a new grant. 

Judge LeRoy Martin Jr. insisted Friday he was merely transferring the matter, not recusing himself. 

JoAnn Cunningham and Andrew Freund Sr. of Crystal Lake appeared in McHenry County court Friday, the day after a 30-page grand jury indictment was handed down in the case.

The Nation of Islam leader who was recently banned from Facebook spoke Thursday in a wide-ranging sermon that hit upon some of the anti-Semitic and black nationalist themes he has come to be known for.

How to raise children to be successful adults? That’s the million-dollar question for every parent. A new book by Joy Thomas Moore has some suggestions.

If the discovery is confirmed, it would be the first evidence that black holes and neutron stars can pair up to form binary systems.

Outgoing Mayor Rahm Emanuel is the latest supporter of a retirement income tax. A look at the potential impact on Illinois, Chicago – and seniors.

Elephants, uranium and the oddest wedding you’ve ever seen: A new book takes readers inside the unusual world of the University of Chicago scavenger hunt.

U.S. Sens. Dick Durbin and Tammy Duckworth are among those urging the EPA to take “immediate action” against Southeast Side industrial facilities for emitting potentially harmful levels of brain-damaging manganese dust.

In many ways, modern American life is set up for convenience and speed – and that can generate a lot of garbage. What you can do at home to reduce your waste output.

“Chicago, The Musical” holds the record as the longest-running American musical in Broadway history – and it’s a keeper. “August Rush: The Musical” is a New York-bred “tryout” production, and it just doesn’t work.

Existing tests for the deadly virus are inaccurate, expensive and can be challenging to administer, but new research from Loyola University Chicago could lead to a simple filter paper test that changes color if Ebola is present.

Watch the May 9, 2019 full episode of “Chicago Tonight.”

AB Specialty Silicones general manager Mac Penman on Thursday identified the final employee who died in the May 3 blast as 24-year-old Daniel Nicklas of Beach Park. 

Watch the May 8, 2019 full episode of “Chicago Tonight.”

A new wrinkle on the age-old tale of Illinois’ pension mess. Our politics team digests the top stories of the week.

Three cast members from Lyric Opera’s “West Side Story” join us in conversation and performance. 

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

Canada is America’s most trusted ally, but that relationship is at risk. In their new book “The Art of Diplomacy,” a former U.S. ambassador to Canada and his wife explain.

A South Side native watches her long-forgotten home movies for the first time in 35 years. What was on them – and how the viewing was made possible.

A Cook County judge on Wednesday reinstated a lawsuit against Kelly after his attorneys argued his illiteracy kept him from reading and responding to court documents he’d been served with.

Following President Donald Trump’s threats of increased tariffs on roughly $200 billion worth of Chinese goods, Chinese negotiators plan to talk trade in Washington.

A native plant sale, nerdy comedy, a craft fair and a house walk usher in the weekend. Here are 10 things to do in and around Chicago.

A Chicago police officer has been arrested and charged with multiple felony and misdemeanor counts after he allegedly had inappropriate contact with three women on separate occasions.