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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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(skeeze / Pixabay)

A new program aims to create or preserve nearly 2 million acres of habitat across the U.S. for monarch butterflies, which could face extinction in 20 years. 

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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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(Cathy Bazzoni / Chicago Zoological Society)

Brookfield Zoo welcomed two newborn Amur leopards in April. The male cubs are scheduled to make their public debut in mid-July. 

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(Jim Schulz / Chicago Zoological Society)

Maxine, a bottlenose dolphin at Brookfield Zoo, died June 2 after suffering an acute bacterial infection, the zoo announced Tuesday. 

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(Courtesy of Peggy Notebaert Nature Museum)

We peek behind the scenes at an exotic butterfly sanctuary in Chicago, and learn how volunteers help scientists track butterfly populations.

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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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(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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(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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(Courtesy Chicago Zoological Society)

The latest member of Brookfield Zoo’s four-generation family of western lowland gorillas was born June 1, the third offspring of Koola, the newborn’s 23-year-old mother. 

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Ivory seized Feb. 2 from poachers convicted of killing 11 elephants in and around Nouabale-Ndoki National Park in the Republic of Congo. (Z. Labuschagne / Wildlife Conservation Society)

A growing number of states are taking up bans on the sale of ivory in an effort to curb elephant and rhinoceros poaching and undermine the $20 billion-per-year enterprise of wildlife trafficking. Illinois could be next.

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An African burrowing scorpion is among the highlights of Brookfield Zoo’s new “Amazing Arachnids” exhibit. (Jim Schulz / Chicago Zoological Society)

Get a close-up look at 100 live eight-legged critters – aka arachnids – including spiders, scorpions, tarantulas and more at Brookfield Zoo.

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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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(Chris Bijalba / Lincoln Park Zoo)

A new zoo resident born in downstate Peoria stands about 9 feet tall. Guests can see the 2-year-old giraffe Finely at the zoo’s Regenstein African Journey exhibit.

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