The biodiversity of Earth's oceans is disproportionately concentrated in coral reefs—the vibrant undersea ecosystems where ...

The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature ...

Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially letting them communicate visually and ...

Tucked under the stones and shells of the shallow waters off Spain, one creature has the ability to completely alter its size. Up to nearly 10 inches long, the animals have the ability to contract ...