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

Despite the early April snow showers, a recent bird sighting in Cook County is a strong sign that warmer spring weather is just around the corner.

There are 3,149 different types of plants in the Chicago region. A massive new book details every single one.

One year after welcoming its first baby reindeer in nearly four decades, Brookfield Zoo added another newborn fawn this week.

For the first time, Shedd Aquarium will host a full week of events leading up to Earth Day on April 22. 

A camera set up near Rosehill Cemetery captured an unusual photo of a flying squirrel last fall, but the image was only recently discovered.

The grocery store chain released more details this week about its plans to phase out a practice that animal welfare advocates consider inhumane. 

The yet-to-be-named chick is healthy and being hand-reared by animal care staff, the zoo said this week.

St. Patrick’s Day festivities kicked off a day early at Brookfield Zoo last week, where seals, camels, lemurs, orangutans and gorillas got shamrock-shaped and green-colored treats.

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. 

From kindergartners to college professors, citizen scientists helped Field Museum researchers examine more than 100,000 plant samples that could hold clues to key scientific questions. 

A brightly colored moth rarely seen in the U.S. (and bigger than a human hand) emerged from its cocoon Friday at the Peggy Notebaert Nature Museum – but you better get there fast if you want to see it.

Want to become a certified beekeeper? A new six-course program covers the history and economics of beekeeping, taxonomy of insects, botany, pollination and what to expect during your first year.

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

Get a glimpse of life beneath the waves and see the “vibrant beauty of marine life” found in waters across the globe at the Shedd Aquarium this spring. 

A first-of-its-kind study involving nearly 60 stingrays at Shedd Aquarium indicates that the animals do not suffer from their interactions with humans – and might even enjoy it.