From fluffy crabs that wear sea sponge hats to worms that glow in the dark, scientists are constantly finding amazing new life forms in the ocean.

Fernanda the tortoise is the only of her species discovered on the Galápagos island of Fernandina since 1906. She has baffled evolutionary biologists.

Extra genes may be the secret to aging well for Galápagos giant tortoises, which can weigh over 300 pounds and live cancer-free for more than 100 years.

Some of Darwin's finch nestlings have a yellow beak. The discovery of why that is may offer clues about the differences in how species evolve.

How Pacific winds interact with the sea to bring colder waters up from the depths.

Finches have evolved to feed off blood from red-footed and Nazca boobies – and we've seen it first-hand.

Finches have evolved to feed off blood from red-footed and Nazca boobies – and we've seen it first-hand.