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(Kalyee Costello)

“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.”

“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.”

 A memorial in Las Vegas for victims of the Oct. 1 shooting that left 58 dead and more than 500 wounded. (Jay Smith / Chicago Tonight)

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.

Related Midwest 78 (Credit: Mark Segal)

Vacant land in the South Loop could host a massive new research institute.

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?

(Courtesy of Apple)

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.

(Courtesy the Ron Slattery Collection / Estate of Vivian Maier)

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

Evanston Township High School

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.

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

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.