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

The ocean is home to an extreme variety of species and animals. This diversity results in amazing adaptations and appearances ...

Sea lions returned to the wild Friday morning off Redondo Beach, a hopeful moment on the surface. But the ocean they’re ...

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, ...

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 ...

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 ...

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 ...