Chicago data scientists competed against teams from Canada and the Netherlands in an annual event that highlights the innovative use of technology to improve the water quality of the Great Lakes. 

From lost jewelry to criminal evidence, a Pontiac landfill that receives trash from Chicago has plenty of bizarre waste stories. 

About 5,000 tons of trash from the Chicago area is dumped every day at a landfill in Livingston County, but hardly any of it goes to waste. How yesterday’s trash becomes tomorrow’s energy.

As Illinois faces an end-of-month deadline to pass a budget, Illinois House Speaker Michael Madigan has introduced a new set of preconditions to a compromise.

An updated “doomsday” picture offered by Comptroller Susana Mendoza: Without a budget in place soon, she won’t be able to write checks to pay for the most basic of services come August.

Cook County Board President Toni Preckwinkle says embattled Cook County Assessor Joe Berrios, a close political ally, has agreed to an outside evaluation of the property tax assessment process.

Who wins and who loses if a local charter teachers union merges with CTU? Local labor education professor Robert Bruno takes a look at the proposed merger—and the possible impact on CPS.

We salute the sparkling stage presence of a turn-of-the-century star with a cocktail made with Prosecco, limoncello and summer fruit.

The international nonprofit Women Who Code boasts 100,000 members worldwide. This week, it’s relaunching its Chicago chapter and plans to offer meet-ups and other networking opportunities.

Still no budget out of Springfield. Shootings and murders dip in May. The Chicago Bulls ship Jimmy Butler to the Minnesota Timberwolves, and a rare allergy puts Chicago Blackhawks’ Marian Hossa out the for season—and perhaps permanently.

A Chicago businessman pleads not guilty in federal court to charges he stole $7 million from elderly homeowners in a reverse mortgage scheme.

Watch the June 22, 2017 full episode of "Chicago Tonight."

The end of the fiscal year is a week from Friday. Is Illinois any closer to getting a budget passed by that deadline?

A recent review by Hedy Weiss of the Steppenwolf production “Pass Over” has gotten the Chicago Sun-Times theater critic of more than 30 years in some hot water.

Democratic sources tell Chicago Tonight that Cook County Commissioner Jesus “Chuy” Garcia is mulling a run for the post, contingent on whether he can garner enough Democratic support.