Coastal wetlands linked to Galveston Bay and other bodies of water.

Researchers are traveling the Gulf area to determine the oil spill impact.

Free for iPhones and Android devices, app helps scientists fight marine debris problem.

Ostrov Shikotan lies at the southerly edge of winter sea ice formation.

Dinoflagellates are the blue flashers, new study suggests how.

Caribbean cruise set to discover new species.

Just the tip of the iceberg of Mariana Trench ecosystem.

Cruise set to sample salinity, temperature of the high seas.

Could damage important Gulf fisheries.

The chalky soil supplies the beautiful colors in the water.

Nutrient-rich waters create large blooms of algae.

Dynamic and diverse coastal ecosystems are created by mangroves and coral reefs.

Bodies of water are now merged due to the flooding.

The dive in the northeastern Pacific took six hours.

Some see country's deep-sea explorations as controversial.

Populations of key coral species holding steady after years of decline.

Take a journey through one of Earth's most diverse ocean regions.

41-year-old Joe Locke begins the 30-mile trek at 1:30 a.m.

Mission has already turned up several artifacts.

Brilliant colors caused by opposite conditions on the lakes.

Mapping continental shelf establishes nation's claim to natural resources.

Astronauts usually travel upwards, but this crew is going way down.

Tsunami intensity doubled over rugged ocean ridges.

Submarine landslide have potential to set of big waves.