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Chicago has seen 6 inches of rain in June, well above the historical average, according to data from the National Weather Service. (Chicago Tonight)

Chicago has seen 6 inches of rain in June, well above the historical average of about 2.5 inches, according to data from the National Weather Service.

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(Courtesy Northwestern University)

Guided by the camouflaging abilities of chameleons, two Northwestern chemistry professors have developed a tiny, color-changing laser that could improve visual displays in TVs and smartphones. 

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The patch designed by NASA for a Northwestern-led mission to study how space affects the physiology and metabolism of mice. (NASA / Northwestern University)

Nearly two dozen laboratory mice will be launched into orbit next week as part of a Northwestern-led research mission to learn more about the physiological effects of living in space. 

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NASA’s Curiosity rover has discovered ancient organic molecules on Mars, embedded within sedimentary rocks that are billions of years old. (Credit: NASA / GSFC)

A tantalizing discovery suggests that life could once have existed on Mars – and may still exist today. We get the latest on the red planet with Adler Planetarium astronomer Mark Hammergren.

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Cook County Fisheries biologists Jim Phillips and Steve Silic in the walleye hatchery.

Though not a terribly romantic process, walleye breeding at the Cook County Forest Preserve District produces thousands of young fish for county lakes. We take a closer look.

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(Jillian Braun / Lincoln Park Zoo)

When it comes to picking a place to live, many Chicago-area mice tend to be city dwellers rather than suburbanites, according to initial results from an ongoing study by Lincoln Park Zoo.

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(Courtesy The Field Museum)

A tiny black speck contained within fossilized resin turned out to be the remains of an insect so ancient that it lived among dinosaurs.

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(Basil Greber / University of Chicago)

A study of rock minerals from northern Canada provides evidence that the Earth might have supported life hundreds of millions of years earlier than thought, according to research led by UChicago scientists.  

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(PollyDot / Pixabay)

If you’re not ready to raise chickens in your backyard, you could try your hand at another popular trend: urban beekeeping.

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Detectors inside the Mini Booster Neutrino Experiment tank (Fermilab / U.S. Department of Energy)

A machine developed at the Illinois Institute of Technology will help scientists search for elusive new particles that could reshape physicists’ understanding of how the universe operates. 

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(Courtesy Chicago Zoological Society)

A set of proteins long used to evaluate the well-being of humans can also serve as a marker for the welfare of animals in zoos and aquariums, according to a new study. 

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(Seney Natural History Association / Flickr)

Why the Peggy Notebaert Nature Museum wants you to keep your eye out for baby turtles on the move.

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(Illustration by Phillip M. Krzeminski)

A research team with a Chicago connection has uncovered new evidence about the devastating impact of the dinosaur-killing asteroid that struck Earth about 66 million years ago.

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Life restoration of the new mammaliaform species Cifelliodon wahkarmoosuch.  The animal is estimated to have weighed 2.5 pounds and probably grew to be about the size of a small hare. (Jorge A. Gonzalez illustration)

The discovery of a fossilized skull in Utah suggests the divide of the ancient supercontinent, Pangea, occurred 15 million years later than previously believed, according to a new study. 

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(Evan Garcia / Chicago Tonight)

Could the Midwest soon be connected to a futuristic transit option? We visit one company’s hyperloop test site in the Nevada desert.

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(StockSnap / Pixabay)

It’s a debate that’s consumed the internet: Do you hear Yanny or Laurel? We explore just what’s going on behind this audio illusion.

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