This adorable sea lion has to eat five to eight percent of its body weight every day to stay healthy and hydrated. Over the ...

A trio of adorable sea lions pups was released back into the sea off Redondo Beach Friday after weeks in the care of rescuers ...

Glittery sea worms and sea squirts fit for The Lord of the Rings universe might sound like pure fantasy, but they’re very real creatures living in the deep sea. Some of these otherworldly ocean ...

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet even closely related species can appear radically different: corals, ...

Three sea lion pups who were once malnourished and struggling to survive were released back into the Pacific Ocean Friday in Redondo Beach after a rehabilitation stint at the Marine Mammal Care Center ...

Researchers at Northwestern University have identified a single mechanical ratio that dozens of unrelated sea creatures, from ...

Sea turtle shells record life history layer by layer over many years, clearly revealing diet, stress, movement, and ocean ...

In a small, rented lab in the port of Los Angeles in May, Keith Matassa was working through a backlog of bodies on ice. Using a surgical knife, he carefully removed a California sea lion fetus from a ...

Scientists estimate more than 60 marine mammals may have been infected by the virus.

Scientists caught a “transparent” sea creature with horn-like appendages off of Mexico and discovered a new species, a study said. Getty Images Off the western coast of Mexico, a “transparent” sea ...