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(Courtesy Illinois Arborist Association)

More than two dozen of the state’s best tree climbers will face off in challenges this weekend when a little-known event returns to Chicago after a decadeslong hiatus.

(Chicago Police Department)

“Everything is unusual about this case until we hear more,” a Loyola University Chicago criminal justice professor said regarding Wyndham Lathem and Andrew Warren – two former university employees accused in the stabbing death of a Chicago hairstylist.

(George2001hi / Wikipedia)

A Chicago-area man who wanted to buy a dog for his daughter nearly fell victim to a West African-based scheme targeting thousands of hopeful pet owners. What the Better Business Bureau is saying about the scam.

(COCHON U.S. TOUR / Flickr)

Beers and brats, fresh apple pie, celebrity chefs, tree climbers and South Side architecture usher in the weekend. Here are 10 things to do in and around Chicago.

Biltmore Estate (John H. Tarbell / Library of Congress)

Author Denise Kiernan talks about the tumultuous history of a North Carolina home that’s detailed in her new book.

Chicago police officers are getting new use-of-force training, but the city’s largest police union is objecting.

The race to create self-driving cars is heating up. One automaker has taken a significant step towards a hands-free future with a model that will soon be available in the Chicago area.

It may officially be fall, but for the past week Chicago has been experiencing a record-breaking heat wave. Jeanne Nolan joins us in the WTTW organic garden.

The walls of a South Side armory tell the history of warriors throughout the ages. Geoffrey Baer shares that story and more in this encore edition of Ask Geoffrey.

Watch the Sept. 27, 2017 full episode of "Chicago Tonight."

Who’s on the team assigned to lure Amazon’s new national headquarters to Chicago? It may be easier to ask who isn’t involved.

Mayor Emanuel and state lawmakers are quietly hatching a plan to give $100 million in state money to the Obama Presidential Center. Is Illinois ready to pony up?