Father's Day took on extra meaning this year for Lake County's piping plover papa Pepper — he's a dad again, at least three times over.

According to the Great Lakes Piping Plover Recovery Effort, 2025 has been a year for the record books, with 82 breeding pairs counted.

Hippotherapy is a type of physical, occupational and speech therapy where the movement of a horse is used to treat a patient’s specific disability or disorder.

Just days after Brookfield Zoo issued the exciting announcement of the first bottlenose dolphin born at the zoo in more than a decade, staff is mourning the sudden death of the calf on Wednesday night.

Graceland Cemetery's newest residents — a litter of coyote pups — are causing a stir.

The Illinois Department of Natural Resources said it is monitoring a bear that’s been spotted hanging out all week in St. Clair County, just east of St. Louis.

Chicago's piping plover pair, Imani and Sea Rocket, are officially expecting.

We asked experts what to do when you see something in the Chicago River that doesn’t belong there.

Chicago was once a swamp. In some places, it still is. But will climate change undo wetland restoration efforts?

A proposed change to the United States’ Endangered Species Act could threaten not only to reverse decades of progress but accelerate the pace of loss, experts said.

The City Nature Challenge is a friendly global competition designed to showcase the biodiversity in urban yards, parks and nature preserves.

House Bill 2627, sponsored by state Rep. Joyce Mason, D-Gurnee, would regulate the mink industry at the state level, creating mink farm licensing and requirements. But proponents and opponents have two vastly different opinions on what the bill really aims to do.

The beloved actor of “The Golden Girls” fame was celebrated with a new U.S. Postal Service stamp at a first-day-of-issue ceremony at the Los Angeles Zoo on Thursday.

A newly identified parasitic wasp that buzzed and flew among dinosaurs 99 million years ago evolved a bizarre mechanism to snare other creatures and force them to unwittingly shelter its young, according to new research.

A group of microscopic sunflower sea star larva arrived at Shedd Aquarium last year and have been bulking up behind the scenes ever since. Now, after growing 16,000%, they’re ready to make their public debut.

The decades-old St. Patrick's Day tradition routinely attracts tens of thousands of revelers to the riverfront, but in recent years it's also attracted criticism from environmentalists.