Shedd Aquarium’s dolphin calf Kukdlaa celebrated his first birthday with positive results from a physical checkup. And with cake, of course.

With an eye toward Earth Day, Shedd Aquarium has launched a campaign encouraging people to switch from single-use plastic straws to reusable or biodegradable alternatives.

What is it like to touch and work with dolphins? One Shedd trainer said they feel firm, smooth and a little colder than you might expect, according to the aquarium’s dolphin fact list.

The tale of the Western pond turtle was one of several success stories shared with donors Monday evening at a Shedd Aquarium event focused on conservation efforts nationwide. 

Shedd Aquarium researchers are studying queen conch populations in the Bahamas to understand the decline of the popular snail in the Caribbean. 

For the fifth year, members of Shedd Aquarium's Animal Response Team participated in a rescue mission of endangered penguin chicks in South Africa. Learn about their work.

The Shedd Aquarium is calling on President Barack Obama to sign legislation that aims to curb the highly lucrative, international business of illegally trading endangered and threatened animals.

Chicago Public School students can kick off their last week of freedom at one of several Chicago institutions. Learn more.

Hiss Majesty, a 16-year-old Caiman lizard at the Shedd Aquarium, was fitted for a new prosthetic limb on Wednesday.

Two Chicago-area institutions are the first in the nation to receive certification in a new program that assesses the well-being of animals held in captivity.

The Shedd Aquarium has added a new source of power as part of its green initiative – and it isn’t coming from the institution's electric eels.

Granddad is believed to be the oldest fish in captivity at any public aquarium or zoo in the world. The Shedd estimates he’s at least a century old and that an “excess of 100 million visitors” have passed through the aquarium since his arrival.

The Shedd Aquarium has a new CEO in Bridget Coughlin. She joins "Chicago Tonight" to talk about her varied experience and what she anticipates for the future of the beloved aquarium.

Coral reefs evolved 240 million years ago, but now scientists say coral reefs could be gone before the end of this century. They say the biggest threat is the warming ocean water. Three major institutions in Chicago are now actively engaged in the fight to save the coral reefs.  

After Lurie Children’s Hospital of Chicago patients, families, staff and volunteers took part in a voting contest last week, the 10-month-old penguin previously known as Chick No. 23 is now called Diego.

Shedd Aquarium staff are watching a 28-year-old female Pacific white-sided dolphin and her newborn calf around the clock during what they call "a very crucial time."