Ash-har Quraishi has the story of how Chicago played a pivotal role in sci-fi cinematic history.

What can the songs of the Zebra finch tell us about the development of language in humans? Our science guy, Neil Shubin, tells us more in this edition of Scientific Chicago.

A food additive that has been used for decades is stirring up controversy. We talk with a Chicago researcher who is in the midst of clinical trials to uncover its potential hazards. Ash-har Quraishi has the story in tonight's Scientific Chicago.

Computer scientists are partnering with physicians to take next-generation virtual reality to the extreme. Ash-har Quraishi goes inside the CAVE2 in tonight's edition of Scientific Chicago.

After one of the wettest Aprils in Chicago history, Eliza Fournier from the Chicago Botanic Garden joins Chicago Tonight at 7:00 pm to offer spring gardening pointers.

View a slideshow of flood photos from Chicago Tonight viewers, producers and reporters. Submit your flood photos here and we will add them to the photo gallery.

The Des Plaines River is expected to reach record levels today. Paris Schutz has the latest.

How prepared are we to deal with a flood of today’s magnitude, or worse? We talk with area officials and a National Weather Service meteorologist to discuss today’s reaction and the future.

Street closures, flooded basements and more. Elizabeth Brackett has the latest on the impact of the heavy rains on Chicago residents.

After days of rain, severe thunderstorms dumped nearly five inches of precipitation Wednesday and overnight into Thursday morning, flooding highways and roads across the city. We have the latest updates on closures and weather. Submit your flood photos here.

Bringing Chicago's electric grid into the 21st century. Ash-har Quraishi has the story.

Could a better helmet hold the key to reducing the epidemic of sports-related brain injuries? Ash-har Quraishi talks with a team of university researchers who say it’s time for a new design. We revisit the story.

Pieces of a famed Russian meteorite land at the Field Museum. Eddie Arruza has the story.

A new program promises to make homes more energy-efficient while offering instant rebates to Chicago area homeowners. We explore Energy Impact Illinois.

In tonight's Scientific Chicago, Ash-har Quraishi takes a look at a recent scientific study that delves deep into what happens as we recall events from our past.

Will Chicago area customers see yearly natural gas rate hikes without any oversight from the state? Paris Schutz has the latest on a controversial proposal in Springfield that watchdogs are warning against.