Is that a 'ghost ship' mirage on Lake Superior?

Massive coral reef discovered thriving off the coast of Maui in deep water

What is the Great Pacific Ocean Garbage Patch?

Why do we know more about the surface of Mars than we do about the ocean floor?

What is a red tide?

8 species moving to cooler waters

Reef fish sing a 'dawn chorus' like songbirds

Earth gets a surge of new ocean sanctuaries

California law bans use of orcas for breeding, entertainment

Can the moon's gravity cause earthquakes?

Threatened loggerhead sea turtles are nesting in record numbers

Giant reef with doughnut-shaped structures found 'hiding' behind Great Barrier Reef