Scientists should respond to a “political climate of opposition to facts” by speaking out about their work, said John P. Holdren during a recent lecture on climate change at the Illinois Institute of Technology.

After publicly equivocating of late, Gov. Bruce Rauner on Monday officially launched his bid for a second term in a highly produced two-minute video.

The remarkable comeback of 13 sport fish species in the Illinois River began just after implementation of the Clean Water Act, according to a new study by the Illinois Natural History Survey. 

More than a dozen malicious card-reading devices have recently been found throughout the city, according to the Chicago Police Department.

Mayor’s city budget is rife with new taxes and fees. New details on Chicago’s Amazon bid. Bulls player suspended after punching teammate. And the Cubs season comes to a close. 

Under its accountability guidelines, the Board of Education can opt to revoke or not renew charters that have been placed on an academic warning list.

Chicago, Cook County and Illinois government are willing to shell out an incentive package worth around $2 billion in order to lure Amazon, according to two sources close to the bid process. 

Did you know it’s International Sloth Day? We check in with one of Lincoln Park Zoo’s experts to learn about these furry, slow-moving animals. 

A 24-year-old man was arrested on felony charges more than two months after he allegedly beat and robbed a man at a CTA Red Line station, leaving the victim temporarily unable to communicate.

It was a merciless ending to a rough NLCS rematch against the Los Angeles Dodgers, who now advance to the World Series for the first time since 1988 after a 11-1 Game 5 victory. 

Watch the Oct. 19, 2017 full episode of "Chicago Tonight."

Evanston Police say they have fielded dozens of calls in the last week regarding allegations of sexual harassment and abuse levied against a former high school acting teacher.

Northwestern photography professor Pamela Bannos joins us to discuss her new book “Vivian Maier: A Photographer’s Life and Afterlife.”

After almost 14 years on the Magnificent Mile, the Apple store is making a move to the Chicago River. We get a preview of the new space.

Chicago is reportedly pulling out all the stops to try to entice the e-commerce giant. But just what is Amazon looking for, and how strong a contender is Chicago likely to be?