The Field Museum is diving deep to introduce visitors to underwater wildlife that lived 200 million years ago. We have a preview of the exhibition “Jurassic Oceans – Monsters of the Deep.”

With owners and players unable to agree on a labor contract to replace the collective bargaining agreement that expired Dec. 1, Rob Manfred followed through with his threat and canceled the first two series for each of the 30 major league teams.

So far, Ukraine’s internet mostly works, its president still able to rally global support via a smartphone, and its power plants and other critical infrastructure still able to function. The kind of devastating cyberattacks thought likely to accompany a large-scale Russian military invasion haven’t happened.

Cook County Board President Toni Preckwinkle details how an influx of federal funds will be allocated.

What do new federal charges mean for Illinois’ Democratic Party, public trust in state government, and for Michael Madigan himself? Our politics team weighs in on that story and more.

A bombshell indictment: former Illinois House Speaker Michael Madigan facing federal charges. We’re live at the courthouse with the latest, and our Spotlight Politics team has an analysis.

Michael Madigan, who served as speaker of the Illinois House for 36 years, led a criminal enterprise disguised as a political organization that was devoted to enriching himself and his associates, prosecutors alleged Wednesday.

A carnivale celebration, polar plunge, neighborhood photographs and concerts usher in the weekend. Here are 10 things to do in and around Chicago this weekend.

Russia reported its military casualties for the first time since the invasion began last week, saying nearly 500 of its troops had been killed and almost 1,600 wounded. Ukraine insisted Russia’s losses were far higher but did not immediately disclose its own casualties.

A rare patch of 8,000-year-old remnant Illinois prairie has been granted a new three-month lease on life, as the Greater Rockford Airport Authority has again delayed demolition of the natural area, pending additional environmental review.

Field studies over the past few weeks — a collective effort known as the “Winter Grab” — were intended to boost knowledge of what happens in the five lakes when they’re covered partially or completely with ice.

“Another child has become the victim of senseless gun violence and it must stop,” the Chicago Police Department said in a tweet Wednesday.

Previewing President Biden’s State of the Union during an international crisis. Plus, the latest from Ukraine, Chicago’s history storing Nike missiles on the lakefront, celebrating paczki day and more.

Russian forces stepped up their attacks on crowded urban areas Tuesday, bombarding the central square in Ukraine’s second-biggest city and Kyiv’s main TV tower in what the country’s president called a blatant campaign of terror.

Geoffrey Baer joined “Chicago Tonight” for this week’s Ask Geoffrey, about old Nike missile bases in Chicago.