Earth's oceans may seem like an expanse of the same water to us, but try telling that to a sea turtle or a whale shark. To ...

New high-resolution satellite map reveals nearly 100,000 unknown ocean mountains, or seamounts, boosting climate and maritime ...

In shallow coastal waters around the world, mud and other fine-grained sediments such as clay and silt form critical blue ...

A warm blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate ...

Authorities are advising swimmers and surfers alike to exercise extreme caution—or avoid the ocean altogether—due to rip currents, longshore currents, and "sneaker waves" capable of sweeping ...

It is often said that humanity has explored outer space more extensively than the depths of the oceans ... currents, tides, and geological processes such as tectonic plate movement. Submarine maps ...

The nearest ocean ... currents. As the currents flow around the planet, they move cold and warm water from one place to another. This changes climate and temperatures all over the world.

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team.

The Arctic Ocean (Figure 1), the smallest of the world's five major oceans ... New grid of Arctic bathymetry aids scientists and map makers, Eos Trans., 81(9), 89, 93, 96 (2000).