Chicagoans are used to seeing the Chicago River turn bright green for St. Patrick's Day weekend, but on Tuesday they saw ...

Researchers at the Shedd Aquarium are putting tiny trackers inside fish living in the Chicago River to study them and the ...

A dive team found a person who reportedly fell into the Chicago River Wednesday morning on the Near South Side.

Chicagoans are pretty used to weird things popping up along the Chicago River. (Heck, we make it turn neon green in tribute to Irish people every single year.) But even we had to rub our eyes in ...

An iceberg the size of Chicago ... that ocean currents may be responsible for moving life-sustaining nutrients to the ecosystem. MORE: Scientists have discovered an ancient river landscape hidden ...

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.

A dive team was deployed to search for a person who reportedly fell into the Chicago River on Wednesday morning on the Near ...