Consumers cut up plastic soda can rings before putting them in the trash because they know they could end up in the ocean.

Sea creatures keep showing up dead in California waters, and researchers may have an answer as to why. It has to do with ...

A construction project at San Pedro High School in Los Angeles revealed nearly 9-million-year-old sea creature fossils buried ...

The horde of “demonic” sea lions that attacked people off the California coast in recent weeks lashed out because they were sickened by mind-warping toxic algae, scientists have discovered.

SAN DIEGO — There are 360 reef balls in the San Diego Bay on the sea floor of Chula Vista’s ... of that year and they were made of oyster shells that came from the Carlsbad Aquafarm.

Sea lions in Southern California waters had rarely posed a problem for beachgoers, surfers and swimmers. Now, scientists say a naturally occurring bloom of toxic algae, a neurotoxin, is infecting ...