Off the coast of Argentina, the deep ocean is revealing secrets that could change everything we know about marine ecosystems. Recent discoveries have uncovered vast, uncharted coral reefs and species ...

Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

Sub-bottom profilers extend hydrographic surveys beneath the seafloor. These systems emit low-frequency signals capable of penetrating sediment layers, revealing subsurface structures such as buried ...

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral ...

“That’s unheard of,” Elliot said, standing alongside Panetta during a press conference on the wharf Tuesday, as the congressman announced he has secured $3.15 million to help with the ongoing Santa ...

A deep-sea camera captured the first-ever shark recorded in Antarctic waters — a 10- to 13-foot sleeper shark swimming 1,608 feet below the surface.

The first shark ever documented in Antarctic waters was captured on camera at 1,600 feet deep in near-freezing temperatures. Associated Press/Minderoo-UWA Deep-Sea Research Centre Associated ...

Officials provided an update Wednesday about the search for the Lily Jean, a 72-foot fishing boat that sank on January<a class="excerpt-read-more" href=" More ...

A look at the heavy-duty process keeping the ocean floor at Flower Garden Banks in the Gulf healthy for future generations.

It's possible the hidden freshwater reservoir has existed beneath the seafloor off the East Coast for 20,000 years.

From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...

Half of Earth’s oceans are more than 3.2km deep. Beneath them lie cavernous plains untouched by sunlight, vast gaping trenches made by Earth’s tectonic plates shifting, and ranges of underwater ...