Asian carp have been spotted at the mouth of the Root River in Minnesota, raising concerns about the invasive species' impact ...

Asian carp have been spotted at the mouth of the Root River in Minnesota, raising concerns about the invasive species' impact ...

Low water on the Mississippi River in Vicksburg, Mississippi, on October 11. The unusually low water level is evidenced by the exposed pier cap pile of the bridge. Rogelio V. Solis/AP ...

A saltwater wedge has crept along the river bottom nearly 64 miles upriver from the mouth of the Mississippi. "It's almost like a triangle," Jones says. "As this flow in the Mississippi River ...

A saltwater wedge has crept along the river bottom nearly 64 miles upriver from the mouth of the Mississippi. "It's almost like a triangle," Jones says. "As this flow in the Mississippi River ...

Invasive carp previously fitted with acoustic tags have led the Minnesota DNR and its state and federal partners to a school of invasive carp in Pool 8 of the Mississippi River at the confluence of ...

A 10-foot long, 460-pound great white shark was located at the mouth of the Mississippi River Saturday night, likely feeding on the nutrients and sediment that drain from the river into the Gulf ...

A 10-foot great white shark from Canada’s coastline has resurfaced west of the Mississippi River and curious scientists aren’t exactly sure of its intentions. The nonprofit OCEARCH says the ...

This summer’s Mississippi River “dead zone” could span 5,827 square miles across the Gulf of Mexico off of Louisiana.

A 10-foot great white shark from Canada’s coastline has resurfaced west of the Mississippi River and curious scientists aren’t exactly sure of its intentions. The nonprofit OCEARCH says the ...

A saltwater wedge has crept along the river bottom nearly 64 miles upriver from the mouth of the Mississippi. "It's almost like a triangle," Jones says. "As this flow in the Mississippi River ...