Luis Castejon faces a charge of first-degree murder in the shooting Monday of Emanuel Gallegos, a 17-year-old junior at one of the city’s elite public high schools.

Soft, flexible sensors developed by Northwestern University researchers measure an infant’s vital signs and allow physical bonding between baby and parent.

The Joliet Police Department says in a statement that the four were found dead shortly after 10:15 p.m. Wednesday after officers responded to a report of a shooting.

Former federal prosecutor Lori Lightfoot, a political outsider, will be matched up against the ultimate insider, Toni Preckwinkle – a longtime member of the Chicago City Council who now holds the top job in Cook County. 

Preservation Chicago has released its annual list of Chicago’s most threatened historic buildings – and this year, it includes two return entries and an entire category of buildings that dot Chicago’s neighborhoods.

Mayoral candidate Lori Lightfoot tells Carol Marin on “Chicago Tonight” that the Preckwinkle campaign had previously tried to “take her out” by spreading a rumor that she would quit the race.

We meet three political newcomers who upset longtime aldermen – plus a fourth candidate who won an open seat in Tuesday’s election.

Watch the Feb. 27, 2019 full episode of “Chicago Tonight.”

Just how did the vote break down Tuesday, and why was turnout so much lower than expected? Our politics team digs into the numbers in this week's political roundtable. 

Just how did Chicago wind up with 50 wards and 50 aldermen? Geoffrey Baer does the math in this edition of Ask Geoffrey. And: five fast facts about Chicago mayors past.

This feverishly verbal play, now receiving its world premiere at Lookingglass Theatre, poses some epic, cosmic questions while capturing the more familiar aspects of family relationships and identity crises. But it supplies no answers. 

An icy dip in the lake, film festivals, Mardi Gras pastries and a shopping cart race usher in the weekend. Here are 10 things to do in and around Chicago.

The Litter Free Chicago River project will soon include a stretch of the river from North Avenue to Foster Avenue, where the North Branch connects with the North Shore Channel.

Attorneys for inmate Janiah Monroe say she suffers from PTSD and has been a constant target for sexual harassment and abuse inside her all-male prison.

R. Kelly is looking at the possibility of decades in prison if convicted, but there’s no official word on whether his manager or anyone else in his inner circle might face charges.