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

Spring serves as mating season for all sorts of animals found in Illinois, but no creature goes about it quite like the wood frog.

Three years after they began installing bat houses along waterways in Cook County, conservationists are hoping the bats will start moving in this year.

The 14-year-old female polar bear who recently arrived in Chicago is expected to mate with 8-year-old Siku, who has lived at the zoo since 2016. 

How local scientists played a key role in the arrest of three well-known elephant poachers in the Republic of Congo. 

The new film “Mr. Canoe” chronicles the life of Ralph Frese, a world-famous canoe-builder and conservationist who ran Chicago’s last working blacksmith shop. 

A team led by Field Museum conservation ecologist Corine Vriesendorp has worked for 15 years to protect one of the most biodiverse places on Earth. This week, it was designated as a national park.

A paternity test to determine the sire of four Japanese macaques born since 2014 at Lincoln Park Zoo came back with a surprising result. 

A new team led by biologist Andrew Casper will expand Shedd Aquarium’s research of animals that live in local waterways—and how to protect them.

Conservation groups say the federal government needs to spend more to save monarchs, the beloved black-and-orange insects whose population has dropped in recent decades.

Monarch butterfly populations have dropped by more than 80 percent over the past two decades. A bill approved this week aims to boost the monarch’s recovery by protecting milkweed, a plant that serves as the butterfly’s only source of food. 

Meet Clive Stockil, a conservationist being honored in Chicago who is helping Zimbabwe’s rhinos bounce back from the threat of extinction.

How a Chicago community organization cultivates the scientific and cultural aspects of monarch butterflies.

Mayor Rahm Emanuel is leading a huge delegation in Israel on Monday evening. He tells us why.

As part of PETA’s eye-catching “Lettuce Ladies” campaign, South Elgin native Mysti Lee travels the globe promoting animal rights. 

Along Wolf Lake on Chicago’s Southeast Side lies the only Illinois state park within city limits, where visitors can find fishing spots, biking trails – and invasive species.