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A pair of sibling Magellanic chicks hatched this month at Shedd Aquarium. (Brenna Hernandez / Shedd Aquarium)

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. 

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Mauyak, one of eight beluga whales at Shedd Aquarium (Brenna Hernandez / Shedd Aquarium)

Mauyak, a 38-year-old beluga whale, is already mother to 6-year-old Kimalu and is expected to give birth again this summer. 

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To monitor the development of penguin eggs, Shedd Aquarium staff use a process known as candling, which involves holding a strong light to the egg to observe inside. (Brenna Hernandez / Shedd Aquarium)

In a process known as egg candling, the aquarium’s animal care staff use a high-powered light to observe the inside of growing penguin eggs to determine whether they are fertile and monitor their development. 

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(Brenna Hernandez / Shedd Aquarium)

A handful of museums and cultural institutions in and around Chicago are offering free admission to workers affected by the ongoing federal government shutdown. 

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A mother and daughter explore Shedd’s Sensory-Friendly App, designed for guests with autism or a sensory processing disorder, in front of the aquarium’s Caribbean Reef exhibit. (Brenna Hernandez / Shedd Aquarium)

On Oct. 16 and Nov. 14, registered guests will be able to explore all of Shedd’s exhibits in a “comfortable and accepting environment” as part of a new “Calm Waters” program.

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Runners participate in the 2012 Chicago Marathon near the intersection of Clark Street and Diversey Parkway. (Benjamin Lipsman / Flickr)

Since the launch of #SheddTheStraw last spring, businesses across Chicago have taken steps to eliminate their use of single-use plastic straws. Now, one of Chicago’s biggest events is getting involved.

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Mauyak, one of eight beluga whales at Shedd Aquarium (Brenna Hernandez / Shedd Aquarium)

The aquarium is preparing for a new – and very large – resident whose arrival is expected next summer.

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(Brenna Hernandez / Shedd Aquarium)

As part of a new partnership aimed at preserving the endangered Great Lakes species, the turtles will remain at Shedd until they are big enough to be released back into the wild at a protected site in DuPage County.

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(Brenna Hernandez / Shedd Aquarium)

The aquarium’s initiative to offer free admission to Illinois residents this month has a new twist that could help you avoid rush-hour traffic.

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(Courtesy Shedd Aquarium)

She is Shedd’s only full-time photographer, capturing images of the aquarium’s 32,000 animals from both in and out of the water. A conversation with Brenna Hernandez.

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We bite into the science behind this summer’s blockbuster movie about the giant, prehistoric shark Megalodon with a Shedd Aquarium expert.

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A group of Caribbean reef sharks swims in the Bahamas’ shark sanctuary, which prevents harvesting of shark species anywhere within a 630,000 square-kilometer safe haven of Bahamian waters. (Courtesy Shedd Aquarium)

With the 30th anniversary of the Discovery Channel’s popular “Shark Week” fast approaching, the Shedd Aquarium is calling on visitors to help protect a key habitat for “one of the world’s most misunderstood species.”

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(Courtesy Shedd Aquarium)

In what is an extremely rare occurrence, a male weedy sea dragons recently accepted an egg transfer from a female and is now carrying 46 fertile eggs on his tail.

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(Courtesy Shedd Aquarium)

Shedd Aquarium is rolling out several new outdoor programs this summer aimed at bringing Chicagoans closer to local waters and aquatic life.

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The saddled puffer is one of 100 species that can be seen in “Underwater Beauty.” (Courtesy of Shedd Aquarium)

If, as they say, beauty is in the eye of the beholder, the beholder is given a lot to admire at the Shedd Aquarium’s newest exhibit, “Underwater Beauty.” We get a preview.

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A Magellanic penguin chick hatched May 12 at Shedd Aquarium. (Courtesy Shedd Aquarium)

A new Magellanic penguin chick hatched Saturday at Shedd Aquarium, just hours before Mother's Day. 

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