Biologists are racing to save America’s freshwater mussels—the water-filtering keystone species that once filled the ...

Flowing over nutrient-rich limestone rock that fueled a diverse assemblage of species, Abrams Creek was once one of the most productive streams in Great Smoky Mountains National Park. That changed in ...

Add Yahoo as a preferred source to see more of our stories on Google. This is a bronze, two blade propeller on a stainless steel shaft on a 36 foot sailboat, covered ...

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 ...