President Donald Trump recently said the heart of his tax proposal “is a giant, beautiful, massive – the biggest ever in our country – tax cut.” We take a closer look at the plan.

Mayor Rahm Emanuel said Monday the city is not only offering emergency responders to help Puerto Rico, but has already accepted 1,600 evacuees. 

There were nearly 1,900 fatal opioid overdoses in Illinois last year, according to the Illinois Department of Public Health. We speak with Nirav Shah, the agency’s director, about the state’s fight against the crisis.

Chicago could become the first U.S. city outside of California to adopt a policy requiring it to purchase food from sources that meet a set of health, environmental and fair labor standards.

An eyewitness recounts what she saw in Las Vegas on Sunday night during what has become the deadliest mass shooting in modern U.S. history.

Meet one of the first African-American flight attendants and hear the unusual way her mother inspired her love of travel.

More than 125 animal welfare experts from around the world will gather in October to share new research and best practices related to caring for animals in zoos and aquariums.

Can Illinois stop the spread of HIV infections? A statewide initiative aims to do just that. “We have a real chance of stopping the spread of HIV once and for all,” Mayor Rahm Emanuel said.

The likelihood of correctly calling 14 coin tosses in a row is 1 in 16,384—or about as likely as Bears fans longing for the return of Rex Grossman. In light of the Bears’ current streak, we crunch the numbers.

A miniature female reproductive system will help researchers better understand the cause of polycystic ovary syndrome, and advance the development of drugs to treat the disease.

Attorneys for Brendan Dassey discuss interrogation techniques and environmental factors that can leave a suspect feeling like they have no choice but to confess – even if they’re innocent.

The governor signs a controversial bill. Chicago cops mimic NFL player protests. City leaders push hard for Amazon headquarters. Chicago native Hugh Hefner dies at age 91. And the Cubs clinch their division for the second straight year. 

Mayor Rahm Emanuel says the city is suing consumer reporting agency Equifax after last month’s massive breach that exposed 143 million consumers to possible identity theft—including 5.4 million Illinoisans.

Watch the Sept. 28, 2017 full episode of "Chicago Tonight."

What brought about the new business arrangement of two of Chicago’s most prominent cultural institutions? We speak with two of the driving forces behind each company.