The Gulf of America’s “dead zone” has shrunk significantly this summer, with scientists measuring a hypoxic area of just over 4,400 square miles — roughly a third smaller than last year and far less ...

A cloudy, rust-colored liquid plume, roughly the size of a football field, flowed into the Mississippi River last week out of a drainage pipe from the Atlantic Alumina refinery in the River Parishes.

The Mississippi River’s connection to Louisiana is existential. The river built the land on which many of us reside. As long ...

Southeast Louisiana is abnormally dry. The top and bottom of the Mississippi River has had high streamflows this month, but about a quarter of gauges throughout the basin show below-normal flow.

A tropical disturbance near the northern Gulf Coast only has a small window for development, but poses a threat of flooding rainfall, particularly in Louisiana, regardless. The tropical disturbance, ...

A tropical disturbance is bringing heavy rain as it moves west through Louisiana and Mississippi. By Amy Graff Amy Graff is a reporter on The Times’s weather team. A cluster of thunderstorms that ...