The Chicago River was once a heavily polluted mess, a source of deadly diseases like cholera and typhoid fever. The waterway was so dirty that engineers famously reversed its direction in 1900 so it ...

A new study by the Shedd Aquarium has found that the Chicago River system continues to recover from pollution, as evidenced by the fish species that have been spawning in the river system. A report on ...

A research paper authored by a researcher at Shedd Aquarium and published in Journal of Great Lakes Research assesses the fish species that spawn in the Chicago River to sustain and support resilient, ...

Aquarists in Chicago are celebrating the birth of a tiny, colorful fish that is believed to be the first of its kind born and raised in captivity. The Shedd Aquarium recently welcomed a baby warty ...

Every year as part of the city's St. Patrick's Day celebrations, thousands of onlookers clad in green cheer on a boat crew sprinkling orange powder into the Chicago River to turn it a festive shade.

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From fish that can survive in a stream just a few inches deep to fish that survive in the depths of Lake Michigan, “Fishes of the Chicago Region” serves to “expand your imagination," says outdoor ...