New research shows that Lake Erie's dead zones are actually quite active, greatly affecting fish distributions, catch rates and the effectiveness of fishing gear.
At first sight the Salton Sea looks putrid, with dead fish scattered among patches of fetid water in a vast salty lake in the middle of the Californian desert.
An "unprecedented" thousands of dead fish washed up in Rio's heavily polluted Guanabara Bay this week, deepening fears for the health of competitors at the 2016 Olympics and alarming fishermen.
Thousands of dead fish have begun mysteriously washing up in the polluted Rio bay that will host sailing events at the 2016 Olympics—and experts are at a loss to explain why.
It takes both teeth and jaws to make a pretty smile, but the evolutionary origins of these parts of our anatomy have only just been discovered, thanks to a particle accelerator and a long dead fish.
It's like Florida's version of The Blob. Slow moving glops of toxic algae in the northeast Gulf of Mexico are killing sea turtles, sharks and fish, and threatening the waters and beaches that fuel the region's economy.
Fish began dying off en masse in the waters around Honolulu after hundreds of thousands of gallons of molasses spilled into Honolulu Harbor early this week - and there's nothing officials can do to clean it up.
A deadly fungus that has wiped out large populations of bats in North America has spread to a new species, the endangered gray bat, US wildlife officials said Tuesday.