Iowa DNR confirmed the presence of zebra mussels in Saylorville Lake. (Photo by Cami Koons/Iowa Capital Dispatch) The Iowa Department of Natural Resources confirmed zebra mussels, an invasive species ...

Discoveries of the invasive and damaging zebra mussels have been piling up in Western Colorado, with recent detections in Eagle County, the Colorado River and other waterways. Zebra mussels — and ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. A decade ago, when news broke that zebra mussels had found their way to Cass Lake ...

Getting your Trinity Audio player ready... An invasive species capable of wiping out entire aquatic ecosystems and causing millions of dollars in damage to infrastructure has been found for the first ...

Getting your Trinity Audio player ready... Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not ...