In a shallow tide pool off Russia’s Bering Island, a researcher caught, by hand, a small, colorful bottom-dweller typically only found along the northwestern coast of the United States. It is the ...

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

The well-known salmon life cycle has long been described as going only one way at a time. Juvenile salmon hatch and swim down rivers to the ocean, where they grow and mature before returning to the ...