In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

Residents say they have seen fish and other marine life washed ashore in the days since a large-scale toxic algae bloom and ...

Toxic algae off the coast of Southern California is killing or sickening hundreds of sea lions, dolphins and seabirds, while ...

Someone cut off the head of a sea lion in Northern California and rode off with it in a bag. Authorities are now offering $20,000 for information that helps find the perpetrator.

A toxic algae bloom has rocked an iconic peninsula south of Adelaide, with beachgoers experiencing respiratory problems and ...

Northern Beaches residents were shocked to find dead sea dragons washed up on local beaches earlier this week, and marine experts are concerned.

A popular surf beach in the country's south has been declared off-limits to the public as authorities investigate a mysterious, murky brown foam that's blanketed the shoreline, resulting in numerous ...

A 1-square-meter plastic sheet was found inside a dead leatherback sea turtle on a beach in Fukui Prefecture, the largest piece of plastic debris reported ingested by the species, researchers said ...

CAIRO (AP) — A recreational submarine taking 45 tourists on an underwater cruise of coral reefs in the Red Sea sank off the ...