Dolphins have been spotted galivanting in the East River over the last two days in a rare NYC wildlife delight.

Zinnia, a 7-year-old river otter, gave birth to three pups in the Florida: Mission Everglades exhibit, her third litter. The ...

Paul Vriend's photo of a beaver swimming at Jackson Park leads the notes package from around Chicago outdoors and beyond.

A s they transport us to underwater landscapes, aquariums provide a soothing experience for visitors. The dark rooms, illuminated by soft light emanating from the tanks, display a ...

Charlie Jacobsma slapped the surface of a pool enclosure at Chicago’s Shedd Aquarium and scanned the water for movement.

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like pattern that helped camouflage it in the wild also made it a popular aquarium ...

The Metropolitan Water Reclamation District and Forest Preserves of Cook County are partnering in a flood relief study that could bring a new reservoir.

Invasive species are a nationwide problem, destroying ecosystems and crowding out native plants and animals. Here are the ...

The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National Airport before its Black Hawk helicopter collided with an American Airlines passenger jet last week ...

The Sarandí stream near Villa Inflamable in the municipality of Avellaneda is home to tanneries and other industries that ...

A massive group of dead waterfowl that washed up along the southern shores of Lake Michigan near Chicago and its northern ...

The latest book, "Little Birdies Finish the River's Water," highlights the importance of sharing and working together as the ...