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A NASA animation shows the pending collision of two neutron stars. (NASA)

An international team that includes Chicago astronomers recently observed the collision of two high-density neutron stars, a historic discovery that confirms decades of scientific work. 

The University of Illinois at Chicago campus in 2012 (University of Illinois at Chicago / Facebook)

Researchers from the University of Illinois at Chicago will investigate how social determinants like poverty and living in a food desert contribute to the health of marginalized groups. 

Former President Barack Obama with Science and Technology Adviser John P. Holdren (U.S. National Archives)

President Barack Obama’s science and technology adviser will deliver a lecture on climate change this week in Chicago. John P. Holdren was the longest-serving science adviser in the history of the position. 

(Credit: @CNN / Twitter)

Romanucci & Blandin, a civil practice based in the River North neighborhood, announced Monday it is among a trio of law firms that will represent victims of the shooting at the Route 91 Harvest country music festival in Las Vegas.

Many Illinois residents are unaware of a 1990 state law making it illegal to mix lawn waste with household garbage. WBEZ reporter Monica Eng has the dirt on Chicago’s yard waste disposal program.

(Daniel Dionne / Flickr)

A new poll on climate and energy reveals surprising attitudes from Americans. We talk with the leader of the University of Chicago study group.

A training program and manufacturing plant are not only providing high-demand plastic products, but giving community residents hands-on experience in specialized jobs that are the future of manufacturing.

Cook County Board President Toni Preckwinkle on why the soda tax failed—and what’s next.

Some fee hikes and tax relief in the upcoming city budget. Mayor Rahm Emanuel is promising tax relief for homeowners as part of his 2018 city budget proposal.

Chicago’s sewer and deep tunnel system couldn’t handle this weekend’s rain, allowing untreated sewage and stormwater into Lake Michigan.

Watch the Oct. 16, 2017 full episode of "Chicago Tonight."

His artwork is in the collections of George Lucas, Jay-Z and Mayor Rahm Emanuel. We get a preview of the show “Hebru Brantley: Forced Field” at the Elmhurst Art Museum.

Chicago’s 47th Ward alderman has ended his bid for Illinois governor after failing to raise enough money. “I’m a regular person,” he said. “If people like me get essentially priced out of the Democratic process, I believe we’re headed to a really scary place.”

The soda tax repeal was met with cheers from some Chicago Tonight viewers.