Scientists tackling Gulf of Mexico hypoxia

Bouncing along the edge of a field, Larry Berry points across the pasture toward a tree line marking the path of a creek bed. A small plastic shed sits atop a wooden platform on stilts.

Fish to be rescued from Texas river amid drought

(AP) -- Wildlife biologists on Friday will evacuate two species of minnows from the shrinking waters of a West Texas river in the first of what could be several rescue operations involving fish affected by the state's worst ...

Ark. fish deaths still a mystery after tests

(AP) -- The mystery of what killed tens of thousands of fish that washed up along the Arkansas River late last year can't be solved, state wildlife officials announced Wednesday, but they do have a theory about what caused ...