A high-profile Republican state lawmaker and top ally of Gov. Bruce Rauner speaks out on why he abruptly decided to resign.

Northern Illinois sees a huge surge in the number of people being sued for downloading pornography. A look at why so many local people are being targeted.

Watch the August 15, 2016 full episode of "Chicago Tonight."

Not all bugs found in vegetable and ornamental gardens are harmful to plants. In fact, some of them help get rid of common pests. Find out which make the "good" and "bad" lists.

Mandolin great Chris Thile is set to take over for Garrison Keillor on “A Prairie Home Companion.” We revisit our recent conversation about what the new host has planned, and listen to him perform a song.

With less than a month before school is back in session across Illinois, parents and guardians are encouraged to get their children up to date on their immunizations soon or face a possible school suspension.

Hear what viewers had to say about Donald Trump's comments on “second amendment people” when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

Starting Wednesday, a new section of Elston Avenue will open as work on the Damen, Elston and Fullerton reconstruction project continues. Find out what that means for drivers.

Democratic U.S. Rep. Tammy Duckworth, who is challenging U.S. Sen. Mark Kirk in the November election, will participate in the WTTW “Chicago Tonight” forum scheduled for Oct. 26.

With a growing need for educators and a dwindling pool of qualified workers, teachers have seen their wages diverge significantly from their fellow college-educated professionals, according to a new report.

Thanks to an extension of Statue Stories Chicago, you still have plenty of time to chat with the Tin Man and Dorothy in Oz Park.

The Chicago Urban League unveiled this week its 10-year plan to fight structural racism in the city, highlighting education, employment and economic development as key areas of focus.

Levi Boone was arguably one of the most disliked mayors in Chicago history for his crackdown on immigrants and alcohol. He inspires a frosty, boozy melting pot of Americana.

Former Gov. Rod Blagojevich will serve out his full sentence. Chicago Public Schools wants to end teacher pension pickups, and the Chicago Cubs continue to win. These stories and more with Joel Weisman and guests.

The UNO Charter School Network laid off 29 union educators – including teachers, support staff and social workers – late last week as it worked to balance its 2016-17 budget and negotiate a new contract with its teachers union.