On Thursday, World Rhino Day, the zoo donated a piece of horn from one of its black rhinos to the U.S. Fish and Wildlife Service. The agency will use the sample to train its canine unit that sniffs out contraband at O’Hare International Airport.

The Bureau of Land Management said Thursday it will not follow the recommendation made last week by an independent board to euthanize or sell thousands of wild horses and burros, including 179 being held in Illinois.

Blanding's turtles, an endangered species in Illinois and a half-dozen other states, are getting a head start on survival at the Peggy Notebaert Nature Museum.

Renowned Dutch garden designer Piet Oudolf pays a visit to his Chicago masterpiece and talks about its evolution over the last 12 years.

Soak up the last weekend of summer by getting out of the city and off the beaten path. We’ve got a handful of destinations for the perfect weekend trip, whether you prefer hiking, rafting, biking or just lazing the day away.

Chicago’s largest no-kill animal shelter has opened its doors to dogs and cats from Louisiana, a state that has little room to house pets in need following devastating floods earlier this month.

Humans pose the greatest threat to chimpanzees, renowned British primatologist Dr. Jane Goodall said Thursday during an event at the Lincoln Park Zoo.

As pet obesity and orthopedic surgeries continue to rise, many domesticated animals are struggling to get back on healthy legs, experts say. A new facility in Buffalo Grove, Illinois, is aiming to address that very problem.

A plan that aims to allow swimming in Chicago’s waterways in less than 15 years was unveiled Wednesday by the city and partnering nonprofits.

On a horse farm north of Chicago, a European tradition combines artistry and athletic prowess. We meet some of the star athletes–and the ponies that will someday take their place.

It's one of the most beautiful locations in one of the busiest areas of Chicago, but Lincoln Park's North Pond is not in good health. Learn about a proposal for a major makeover.

Two red panda cubs at the Lincoln Park Zoo are born to love the Chicago Cubs. Like their two siblings born the previous year, the names of the cubs, revealed Tuesday, were inspired by Wrigley Field.

As extreme heat makes its way to Chicago, learn how to keep your pets safe. 

Chicago’s animal control department could soon be treating urban coyotes as beneficial predators instead of potentially dangerous pests.

We speak to the co-author of a newly published study in which scientists dissected 51 male largemouth bass and found that 21 – some 41 percent – had grown female eggs in their testicular tissue.

Thanks to an experimental program started by the U.S. Fish and Wildlife Service in 2009, a wild population of threatened turtles has been established in northwestern Illinois. Find out how local institutions helped the agency reach its goal.