As thousands of music lovers flocked to Grant Park for the first day of Lollapalooza, a surge of confirmed cases of COVID-19 in Chicago and the suburbs prompted Gov. J.B. Pritzker to reimpose a mask mandate in state facilities for everyone, regardless of their vaccination status.

A look inside Lollapalooza, where the show goes on despite a COVID-19 surge. How the global chip shortage impacts everything from cars to cellphones. A new city board charged with caring for trees.

The COVID-19 pandemic has caused the disruption of supply chains and manufacturing the world over. Manufacturers of computer chips in Asia have been especially hard hit. And that means companies that make products that rely on such chips are feeling the pinch.

Are you eligible for a lead water line replacement? COVID-19 rates tread risky territory. New laws boost Illinois’ LGBTQ rights. Frida Kahlo’s untold stories in a new exhibit, and more.

For transgender and gender non-conforming people, the process of changing your name and getting documents to reflect those changes can be a burden. How two new laws in Illinois aim to ease that process.

We check out a new show at the Chicago Cultural Center that makes the case that the comic strip was born and raised in Chicago. Our tour guides? Artist Chris Ware and cultural historian Tim Samuelson.

Lead service lines connect approximately 400,000 Chicago homes with water mains buried under city streets, and can leach a brain-damaging chemical into drinking water. 

Consider wearing a mask indoors, even if you’re fully vaccinated. That’s the newest recommendation from the Centers for Disease Control and Prevention, and some experts say they expect mask mandates, not just recommendations, to return in Chicago and elsewhere.

By pulling on her white sweatsuit in the middle of Tuesday night’s Olympic gymnastics meet, and by doing it with a gold medal hanging in the balance, Simone Biles might very well have redefined the mental health discussion that’s been coursing through sports for the past year.

The House select committee investigating the Jan. 6 attack at the Capitol held its first hearing on Tuesday with harrowing testimony from four officers who shared their stories of being attacked by the rioters.

After a challenging year, Chicago’s street markets are adapting to new health and safety standards, and showing signs of recovery.

In a potentially world-changing discovery, scientists led by a team from the University of Chicago have discovered a way to manipulate RNA to dramatically boost crop production. 

For the first time since a damning 2019 audit was released by the city’s watchdog, police officials defended their continuing use of records that list approximately 135,000 Chicagoans as members of gangs, citing their need for the data to prevent “retaliatory violence.”