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This image released by HBO shows the cast of the popular children's show “Sesame Street.” (HBO via AP)

The nonprofit Sesame Workshop said Tuesday a selection of Muppets will take part in a 10-city trip to celebrate the show’s 50th anniversary campaign with free park festivals, live performances and kid-friendly activities.

(sabinevanerp / Pixabay)

New research suggests seniors who aren’t on guard against scams also might be at risk for eventually developing Alzheimer’s disease.

(jarmoluk / Pixabay)

A pair of bills would increase funding for biomedical and scientific research at top U.S. agencies and “defend America’s place as a world leader in scientific progress,” U.S. Rep. Bill Foster said in a statement. 

Conservation advocates worry that proposed legislation in Illinois could make it harder to protect vulnerable populations of monarch butterflies, which face a number of threats in the state. (Patrick Williams / Openlands)

A pair of bills would strip the state of its authority to regulate endangered species that are protected at the federal level but that might require further protections within Illinois.

A still image taken from video shot at the gallery show “Pop Pulp!” at Firecat Projects.

In recent years, illustrations from 1970s Mexican comic books have earned a dedicated following of fans and collectors. We visit a new pulp art show at a Chicago gallery.

Illinois spends more per pupil on school administration than almost every other state in the union, according to a new report. What the state is doing to address spending.

The U.S. empire stretches farther than you may think. The new book “How to Hide an Empire” details America’s acquisition of foreign land.

Debris seen inside Notre Dame Cathedral in Paris on Tuesday, April 16, 2019. Firefighters declared success Tuesday in a more than 12-hour battle to extinguish an inferno engulfing Paris’ iconic cathedral. (Christophe Petit Tesson, Pool via AP)

A fire has devastated the 850-year-old cathedral in Paris. What will it take to rebuild the iconic structure? Chicago Tribune architecture critic Blair Kamin joins us in discussion.

(Rich Bamford / Flickr)

Would you forgo your privacy for more effective technology? Owners of voice-activated home devices may need to start asking themselves that question.

Photographer Brendan Hoffman speaks with WTTW News about his exhibition, “Brotherland: War in Ukraine.”

The young American photographer Brendan Hoffman tells us about his new show at the Ukrainian Institute of Modern Art.

Watch the April 16, 2019 full episode of “Chicago Tonight.”

Illinois’ long-term pension debt tops $130 billion. What Gov. J.B. Pritzker plans to do – and what he won’t do – about that crushing burden.