Several members of the Illinois congressional delegation heard testimony Thursday about gun violence, and legislation aimed at addressing it.

Watch the Oct. 3, 2019 full episode of “Chicago Tonight.”

Ken Griffin has buildings, gallery wings and exhibitions named after him in Palm Beach, New York and Chicago. Now the local hedge fund billionaire’s latest gift of $125 million will put his name on an entire museum.

The Chicago Bears head across the pond for their matchup with the Oakland Raiders. Former Bears offensive lineman James “Big Cat” Williams has a preview.

More than 100 Illinois residents are among 1,080 people across the country who have been hospitalized for severe breathing illnesses related to vaping, Centers for Disease Control and Prevention said Thursday.

President Donald Trump, ensnared in an impeachment inquiry over his request that Ukraine investigate former Vice President Joe Biden, on Thursday called on China to do the same.

U.S. Rep. Adam Schiff, chairman of the U.S. House Intelligence Committee, spent Thursday morning in Washington, D.C., as the impeachment inquiry of President Trump began in earnest. By Thursday evening, Schiff is set to be in the Chicago area.

The scientist who invented blood tests that can detect diabetic complications and liver cancer sees the tool becoming part of annual blood tests in the future. “That’s the grand picture,” said University of Chicago professor Chuan He.

Planned Parenthood has quietly been building a new abortion clinic in Illinois, just across the Mississippi River from St. Louis, as women concerned about the uncertain future of Missouri’s sole abortion clinic flock across the state line.

This week the popular transportation app Transit announced Lyft was blocking users from accessing rides on New York’s bike-sharing system. But Chicagoans who use Transit to access Divvy bikes need not worry. 

Eating red meat is linked to cancer and heart disease, but are the risks big enough to give up burgers and steak? A team of international researchers says probably not, contradicting established advice.

A state watchdog’s highly anticipated report on sexual harassment is finally public. Our politics team dives into that story and more in our weekly roundtable.

The Chicago Teachers Union says members will walk off the job in two weeks if a deal with the Chicago Board of Education can’t be reached.

Over the past year, a term new to many Americans has entered the political lexicon: the Green New Deal. One early advocate was author Naomi Klein, who joins us to discuss her new book, “On Fire: The (Burning) Case for a Green New Deal.”

Could a three-year pilot program to lower fares and expand train service on the South Side hurt the Chicago Transit Authority? A supporter of the plan weighs in.