Margaret Frisbie

The photobomb was held to build awareness for April as Overflow Action Month.

The photobomb is scheduled for Wednesday at 12:15 p.m. at the River Theater between Clark and LaSalle.

The riffles are created from natural and man-made formations. 

A veteran open-water, long-distance swimmer is proposing a swim from Ping Tom Park to the Main Stem.

The river is home to more than 60 species of birds, including several that dine on its variety of fish.

A river otter may have been spotted in the Chicago River for the first time in decades, if not longer.

"Our Great Rivers" plan calls for Chicago's notoriously dirty waterways to be safe to swim in by 2030.

Here's the full list from an official survey of the Chicago River.

An exhibit featuring giant metal channel catfish cutouts will soon grace the Chicago Riverwalk.

Fishing pals and co-workers David Jakubiak and Ryan Williams have used the fries to land monster fish.

Chicago is the last major U.S. city to destroy harmful bacteria in sewage before sending it downstream.

Tuesday's catfish release was part of habitat restoration for the river system, organizers said.

The city's Plan Commission deferred a proposal to overhaul vacant land near the Chicago River.

Neighbors in Bridgeport and Pilsen say they haven't been told about the riverside helicopter launch port.