Chicago and other U.S. cities could provide nearly one-third of the milkweed plant scientists estimate is needed to save monarch butterflies, whose populations have plummeted in recent decades. 

“Our new rhino calf is thriving. He is exceeding all of our expectations,” said Mike Murray of Lincoln Park Zoo. “He’s a pretty incredible little guy that, just behaviorally, is doing everything a rhino calf should.”

Organizers of Mamby on the Beach want to move the music festival to Montrose Beach, but conservationists are pushing back because of two endangered birds living at the site. 

Chicago-based Fairlife has been under fire since an animal welfare group released videos showing workers at the company's top dairy supplier abusing cows. 

Behind barbed wire fences, Cook County Jail inmates grow vegetables, flowers, herbs, and – as of May – they’re harvesting honey from two beehives provided by a former inmate.

When dog owners go through a stressful period, they’re not alone in feeling the pressure — their dogs feel it too, a new study suggests.

Animal Recovery Mission said its new video shows workers abusing adult cows behind the scenes at Fair Oaks Farms at a milking carousel at the popular agritourism destination about 70 miles south of Chicago.

It’s a colorful sign of summer: brightly colored butterflies floating on the wind. From nature museums to forest preserves to beachfront parks, Chicago has plenty of spots to see these beautiful insects. Here are 10 of the best. 

Three former employees of a large northwestern Indiana dairy have been charged with animal cruelty following the release of undercover video showing workers kicking and throwing young calves, officials said Monday.

An attractive yet potentially dangerous plant identified near the North Avenue Bridge will be removed this week, a spokesperson for Chicago’s Department of Streets and Sanitation said Monday.

For the sixth year, O’Hare International Airport is using a herd of wild animals to manage the airport’s vegetation in an environmentally friendly way.

Animal Recovery Mission says an investigator for the animal rights group secretly recorded footage that shows the “daily mistreatment of the resident farm animals” at Indiana’s Fair Oaks Farms.

In the midst of a massive growth spurt that began in late winter, the century plant at Garfield Park Conservatory now hovers above the glass dome. We last visited the plant in March, when it stood a mere 17 feet tall.

In need of a vacation, but don’t want to travel too far? We share our favorite local activities and weekend getaways for a last-minute road trip or a city staycation. 

At 82.5 inches, Java is not only the tallest corpse flower to bloom at the Chicago Botanic Garden, but the quickest among its type at the garden to re-bloom.

Both penguin chicks came from eggs laid by the same pair of penguins, Chile and Jr. The hatchlings are the second and third Magellanic penguins born and bred at Shedd Aquarium.