Watch the Aug. 26, 2019 full episode of “Chicago Tonight.”

Teachers at Chicago Public Schools are back in the classroom, preparing for the arrival of students next week. But they still have no contract from the district, even though the district is changing its offer to teachers.

President Donald Trump said his trade negotiators had received two “very good calls” from China on Sunday. But a spokesman for China’s foreign ministry said that he didn’t know what calls Trump was talking about.

Joe Walsh, a former Illinois congressman and tea party favorite turned radio talk show host, announced a challenge Sunday to President Donald Trump for the Republican nomination in 2020.

A sexual harassment report puts new scrutiny on Springfield. Bombastic former U.S. Rep. Joe Walsh mulls taking on Trump. A teachers union trip to Venezuela causes uproar. And the Cubs close an otherwise strong week with a blowout loss.

Since 1995, researchers in Chicago and from around the world have used Argonne National Laboratory’s Advanced Photon Source to create super bright X-rays to probe everything from dinosaur bones to atomic particles. But the APS has an even brighter future.

One of Stephen Sondheim’s most popular works is now on stage at Writers Theatre in a sophisticated, powerfully sung, environmentally enveloping production directed by longtime Sondheim aficionado Gary Griffin.

Ty, an 18-year-old California sea lion, had been living at the aquarium since 2005. Animal caretakers and veterinarians began monitoring him last week after noticing an uncharacteristic decline in his appetite.

An Illinois resident who was hospitalized with a severe respiratory illness after vaping has died, according to the Illinois Department of Public Health. It may be the first death in the country linked to vaping. 

The settlement requires the retailers to pay more than $540,000 in fines for illegally selling and marketing e-cigarette products to minors, according to city officials.

The announcement comes five months after the Cook County State’s Attorney’s Office dropped criminal charges related to a racist and homophobic attack actor Jussie Smollett allegedly orchestrated.

Health and Human Services Secretary Alex Azar said the goal is to make it easier to share a patient’s drug treatment history with doctors treating that person for other problems. 

Federal safety officials are recruiting pilots from airlines around the world to test changes that Boeing is making to the flight-control software on the grounded 737 Max jet, according to two people briefed on the situation.

Chicago has seen its minimum wage steadily rise in the last several years, from a hourly rate of $8.25 in 2014 to $13 today. But labor activists and some public officials say it’s not nearly enough.

It’s been nearly three years since pro golfer Tiger Woods announced his plan to restore and merge two historic golf courses on the South Side. We discuss the proposal and the varying reactions to it.