Persistent lack of oxygen in Earth’s oceans affected animal evolution Photo of Little Horse Canyon near Orr Ridge, Utah. The oceans became oxygen-rich as they are today about 600 million years ago, ...

WASHINGTON -- Like a chronic disease spreading through the body, "dead zones" with too little oxygen for life are expanding in the world's oceans. "We have to realize that hypoxia is not a local ...

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 ...

Scientists have announced that the Gulf of Mexico's "dead zone"—where there is so little oxygen that the ocean becomes unsurvivable—is now the size of New Jersey. Around 6,705 square miles of ...

Did you know there's a massive "dead zone" in the Gulf of Mexico? No, we're not talking about the 1983 sci-fi horror film, or the early 2000s sci-fi TV series. This one is very much real. For decades, ...

(The Center Square) – A low-oxygen “dead zone” in the Gulf of Mexico was larger than average and what was predicted, a recent survey found. The “dead zone” with little to no oxygen can kill fish and ...

The “dead zone” forms in the Gulf of Mexico every summer. It’s caused by nutrients such as nitrogen and phosphorus, largely from farm fertilizer and municipal runoff, which are carried down the ...

NOAA-supported scientists announced today that this year's Gulf of Mexico "dead zone"—an area of low to no oxygen that can kill fish and marine life—is approximately 4,402 square miles, 21% smaller ...

Bull sharks use the Indian River Lagoon as a nursery. Juveniles live in the lagoon for up to 8 years before moving to the ocean. A Shark Week crew found one dead and one diseased bull shark. Shark ...

For decades, an oxygen-depleted "dead zone" that is harmful to sea life has appeared in the Gulf of Mexico in a region off Louisiana and Texas. This year, it's larger than average, federal scientists ...

An international research team including Chesapeake Bay-focused scientists says the “dead zones” that have long plagued the bay have developed and worsened across the globe. A dead zone is an area in ...

Explains the impacts of dead zones and provides an in-depth history of oxygen loss in water. Details the role the agricultural industry plays in water pollution, showcasing how fertilizers contaminate ...