At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from ...

Sea stars can produce eggs for up to 200 years. Their surprisingly human-like ovaries may offer clues about fertility and reproductive aging.

Sunflower sea stars, a species of giant starfish, are critically endangered. Researchers tinkered with sperm in an aquarium lab to help them reproduce. A Sunflower Sea Star at the Birch ...