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

Hundreds of thousands of Velella velella, more commonly known as by-the-wind-sailors, are drifting onto the coastline.

Multihulls have redefined blue water cruising. Kate Ashe Leonard is living that dream in the Leeward Islands of French ...

Sky blue, ocean blue, blueberries, my eyes! Despite seeing blue all around us, blue is actually the least common color in ...

When a blanket octopus swims, it creates a kaleidoscope of colors twirling underwater. It’s a rainbow of beauty as it glides ...