Watch the Jan. 2, 2019 full episode of “Chicago Tonight.”

How did we get the free speech protections we enjoy today, and where might they head in the future? A new book uncovers that – and more.

Ultima Thule, the relatively tiny object in the outer solar system, is now the farthest cosmic body to be reached by humans. We hear from the lead scientist behind the farthest flyby ever.

Meet the founders of the Chicago Furniture Bank, which offers people in need an apartment’s worth of gently used furniture, including beds for each family member, for just $50.

A show at the Art Institute explores the work of a group of Chicago artists who made a strong impression on the art world in the 1960s.

Pet portraits, model trains, fermented tea and a murder mystery usher in the first weekend of 2019. Here are 10 things to do in and around Chicago.

The Chicago Police Department has taken steps to combat low morale and suicide among its officers, but some are calling for more to be done.

Geoffrey Baer has some newspaper history hot off of yesteryear’s presses, and dives deep into the fishy story of storm drain covers in this encore edition of Ask Geoffrey.

Preliminary numbers indicate that homicides in Chicago fell last year, though the total again eclipses the number of homicides in Los Angeles and New York combined, according to data released Tuesday.

A new study links higher levels of key nutrients associated with the Mediterranean diet to more efficient brain connectivity and performance on cognitive tests in older adults. 

Nearly 250 Chicago schools have been labelled “underutilized,” according to district data. That total exceeds the number of schools CPS says are running efficiently.

The Trump administration’s plan to roll back limits on toxic mercury pollution will harm Great Lakes fish – and potentially those who eat them, advocates say.

Activist and entrepreneur Ja’Mal Green has dropped out of the race to become Chicago’s next mayor. His departure brings to 17 the number of candidates vying for the seat.

The Chicago Police Department fields about 500 domestic violence calls every day. One police officer tries to help victims by sharing his own experiences. “I know what it’s like to need help and not knowing who can help me,” said Officer Gino Garcia.

Fueled by that relentless defense and 109 rushing yards and two touchdowns by Jordan Howard, the Bears beat the Vikings 24-10 on Sunday for their first sweep of Minnesota since 2011.