The marine biome is the world's largest and most diverse, covering 70% of Earth's surface. Learn about its plants, animals, and the threats it faces.

The saltwater is threatening drinking water supplies in the New Orleans metro area. The U.S. Army Corps of Engineers built an underwater levee to stop the intrusion.

The Houma Plant already was drawing water from Bayou Black for months because the Intracoastal had salt levels that were too high, but Nov. 10, Bayou Black's salt water content rose above safe levels.

If the saltwater reaches plants in New Orleans, freshwater barged in could be added to the water supply to reduce its salt content, Jones said.

Sea creatures pollinate marine plants and algae, surprising scientists. Once thought to be a land-only phenomenon, pollination may have existed in the ocean millions of years before terrestrial ...

All of the plants on Molly Hendry’s wish list for the Colonial Lake park makeover had to be vetted — preferably before she became emotionally attached. If a plant wasn’t salt-tolerant, it ...