MIAMI, March 11 (Reuters) - A red tide algae bloom has killed a record 174 manatees so far this year off Florida's southwest Gulf Coast, authorities...

By: Tia Ghose, LiveScience Staff Writer Thousands of jumbo squid have beached themselves on central California shores this week, committing mass ...

A rare red algae bloom off the coast of eastern Australia forced the closure of popular beaches near Sydney on Tuesday. The thick bloom was cause...

FULTON, Texas — Raising its slim, white neck out of the waters of the Gulf of Mexico, one of the world's last surviving whooping cranes hungrily...

DALLAS -- An eerie algae bloom that has painted chunks of Texas' coast a reddish brown – and even a yellow-green in some places – has forc...

Lately, Louisiana residents have worried that their lunchtime oyster and shrimp poboys are torpedoing the weekly budget. After a series of calamities in recent years, Louisiana shellfish is expensive and won't become cheaper anytime soon.

Who knew red tide caused blue waves? San Diego's beaches are captivating many with an eerie nighttime phenomenon. It seems that "red tide" is causi...

The bright red skull-and-crossbones signs are hard to miss and increasingly common on Pacific Northwest beaches. A whole new fleet just popped up alon...

As the K. brevis mats bloom and spread, they emit a potent neurotoxin that kills fish and marine mammals. The agribusiness industry and other polluters fought hard to prevent any action against its spread in Florida.

Ever hear of a "dead zone"? I don't mean the book by Stephen King. I'm referring a typically large swath of ocean that is so depleted of oxygen that most aquatic life caught in one either suffocate or escape the region.