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These deep-sea sediment cores were drilled from beneath the seafloor, and hold information about millions of years of ocean and atmospheric chemistry. As dirt, dead organisms, and other particles settle to the seafloor, they...
Climb aboard the scientific ocean drilling vessel Chikyu for a tour of this...
Imagine: You’re in a small submersible, and you gently settle on the soft muddy...
Thousands of seamounts—most of them undersea volcanoes—tower above the muddy...

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The ocean, which we often break into five large ocean basins, covers 71 percent of the Earth's surface and holds over 1.3 billion cubic km of water. This massive space also holds over 99 percent of the area that can be inhabited...
These star-shaped grains of sand, collected from southern Japan, look like...
If you want to explore the depths of the ocean, you may want to go to the...

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Scientists from the Integrated Ocean Drilling Program (IODP) collect sediments drilled from Earth’s crust. This marine...

The Ocean Blog

It isn’t everyday that a magnitude 5.8 earthquake strikes the East Coast of the United States . But on August 23, 2011, people from Georgia to New England felt the rumble and shaking of an earthquake...
These deep-sea sediment cores were drilled from beneath the seafloor, and hold information about millions of years of ocean and atmospheric chemistry. As dirt, dead organisms, and other particles...
An underwater archaeological stratigraphy reveals the different levels of soil in Hare Harbor, Quebec. The stratigraphy – a process archeologists use to help date materials by identifying soil layers...
The High Coast in Sweden and the Kvarken Archipelago in Finland were inscribed on the World Heritage List in 2000. The High Coast and the 5,600 islands of the archipelago have been shaped by the...
A large white coral (Corallium sp.) grows on the Balanus Seamount, part of the New England Seamount chain. Hanging on to the coral are stalkless crinoids and orange brittlestars (Opiacantha sp.) To...
These star-shaped grains of sand, collected from southern Japan, look like miniature works of art -- but they were not sculpted by an artist. They are the shells of microscopic organisms called...
Thousands of seamounts—most of them undersea volcanoes—tower above the muddy seafloor. They provide something hard to come by in the deep ocean: a solid surface to cling to. Corals, sponges, and...
Climb aboard the scientific ocean drilling vessel Chikyu for a tour of this state-of-the-art research ship.
The United States Geological Survey (USGS) keeps track of earthquake locations and magnitudes, accessible on the USGS website . Modern recording equipment has been in use since about 1900. While this...
Thousands of seamounts—most of them undersea volcanoes—tower above the muddy seafloor. They provide something hard to come by in the deep ocean : a solid surface to cling to. This photo gallery shows...
The New England Seamount Chain is the longest in the North Atlantic Ocean. It includes more than 30 major volcanic peaks. Seamounts provide a solid surface for corals and other marine animals to...
A variety of corals colonize the rocky surface of Manning Seamount, part of the New England Seamount Chain located in the Atlantic Ocean just off the coast of Cape Cod, Massachusetts. This photo was...
You are not alone if you don’t know what forams (short for foraminifera) are, so let’s start with the basics. Simply put, forams are single-celled organisms related to the familiar amoeba that...
The United States Geological Survey (USGS) keeps track of earthquake locations and magnitudes, accessible on the USGS website . Modern recording equipment has been in use since about 1900. While this...
This 3-D colored map of Chapman’s Reef—a deep-sea coral reef near Florida—was produced in 2005 with multibeam sonar technology from an autonomous underwater vehicle (AUV). Explore more in the...
This Japanese research ship Chikyu drills into the ocean floor to learn about Earth’s history and structure, and the mechanism of earthquakes in particular. Completed in 2005, it is the first...
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