Milder air and sun return Thursday; highs near 45°F today and a warm spike Friday–Saturday before a front cools things early next week.

Mayor Daniel Biss acknowledged a brief, "ill‑advised" 2004 relationship with a former University of Chicago student after she went public just ahead of the IL‑09 primary. His campaign says he ended it when he realized it was inappropriate.

A new MESA analysis finds that each extra daily serving of ultraprocessed food modestly raises cardiovascular risk, with the biggest effects seen in Black participants. The findings are reported in JACC: Advances.

An application shows Al Diar plans to open a Yemeni restaurant at 1900 E. Touhy Ave in Des Plaines, replacing Evan's Place.

A Chicago federal judge certified a shareholder class action accusing Boeing of concealing 737 MAX safety flaws, fixing an investor window and moving the case toward coordinated discovery.

A 32-year-old has been charged with attempted murder after a 25-year-old was stabbed inside Chicago’s Union Station. Prosecutors are weighing whether the attack was bias‑motivated.

Justin Ishbia is reportedly buying Amtrak’s 14th Street coach yard in the South Loop, reviving talk of a downtown White Sox stadium.

Four ISP squad cars were struck in about 12 hours; three crashes tied to Move Over violations and one linked to weather. Officials renewed warnings to drivers.

A Northwestern study finds brain immune cells’ use of fructose helps glioblastoma grow in mice, highlighting the transporter GLUT5 as a possible drug target. The findings are preclinical.

Paper ballots ran out at Sherman School in Back of the Yards on Tuesday; State Rep. LaShawn Ford was briefly denied a ballot before the error was fixed.

Rep. Jonathan Jackson ran unopposed in the Democratic primary for Illinois' 1st District, while Republicans Marcus Lewis and Christian Maxwell vied for the GOP nod.

La Porte County deputies arrested Bradley D. Armstrong after a warrant accused him of falsifying a marriage license application; the sheriff’s office says he’s listed on the state sex registry.

An 18-year-old man was shot in the head Tuesday evening in the East Side's 10000 block of South Avenue M and died at UChicago Medicine; detectives have opened a homicide probe.