While public awareness of mass killings is undoubtedly higher, U of I researchers say the frequency with which they occur is steady – and it’s remained that way over the last decade.

“Our research may be tapping into one of nature’s original kill switches, and we hope the impact will affect many cancers,” said Northwestern scientist Marcus Peter. “Our findings could be disruptive.”

“I’d like more people to be interested in science,” said Chicago student photographer Kaylee Costello. “These images will hopefully grab their attention, so they also know there is art within science.”

Historic clocks from around the world and brilliant stained glass windows fill a new museum in Evanston. We go for a look.

Was the design of White Castle restaurants based on a Chicago landmark? Geoffrey Baer has the answers you crave.

A testy confrontation on Capitol Hill: Illinois Sen. Dick Durbin and U.S. Attorney General Jeff Sessions sparred over gun violence in Chicago and the Justice Department’s threat to withhold federal grants to cities that protect undocumented immigrants.

Watch the Oct. 18, 2017 full episode of "Chicago Tonight."

What will cyber warfare of the future look like? We discuss how the private and public sector is impacted by cyberattacks.

Mayor Rahm Emanuel says city finances are finally “back on track” after years of fiscal uncertainty and poor credit ratings. But does the claim hold true? 

With more than a year to go, the three richest candidates for governor have raised a combined total of more than $102 million. Have we reached a point where only millionaires and billionaires need apply when running for statewide office?

More than 2 million Americans, including nearly 68,000 in Illinois, get water from wells with high levels of toxic arsenic, according to a new study by the U.S. Geological Survey and Centers for Disease Control and Prevention.

The 2016 World Champions face elimination in Game 4 of the 2017 National League Championship Series. 

A new experience coming this fall to Lincoln Park Zoo will allow visitors “dive” into the ocean and explore landscapes and wildlife at the North and South Poles or in deep ocean waters. 

A first-of-its-kind center brings together physicians, advanced practice nurses, certified sex therapists and pelvic floor therapists to address two often unmet areas of women’s health care.

A Halloween parade, a craft beer crawl, horror movies, fancy footwork and spooky tours usher in the weekend. Here are 10 things to do in and around Chicago.