Scientists map canyon below Atlantic
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Although just 100 miles off the New Jersey-New York coast, the features of the Hudson Canyon have been largely hidden beneath hundreds of feet of water. Created by the Hudson River centuries ago, parts of the massive, undersea region rival the Grand Canyon in scale. Now, for the first time, scientists have a vivid picture of what the mysterious region looks like.
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Britain is preparing territorial claims on tens of thousands of square miles of the Atlantic Ocean floor
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Researchers are hoping to develop a network of ocean-floor and mobile sensors that would help detect tsunamis in the Indian and Pacific oceans.
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Colonies of tiny, soft-bodied animals thrive in the deepest parts of the Pacific Ocean, Japanese researchers reported on Thursday.
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Mass migrations of the marine crustaceans stir up ocean waters and may help pump nutrients to the surface waters, according to new research.
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The oceans are absorbing carbon dioxide that has built up in the air, turning water more acidic and creating potentially catastrophic conditions for marine life.
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Scientists try to figure out how far off the next ice age is.
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A new underwater glider that can dive deeper and stay offshore longer may provide key data in predicting climate change. By Emmet Cole.
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Scientists will use advanced technology never before deployed beneath the sea as they try to discover new creatures, behaviors and phenomena in a 10-day expedition to the Gulf of Mexico's deepest reaches.
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By JEFFREY GOLD, THE ASSOCIATED PRESS  NEW BRUNSWICK  Although just 100 miles off the New Jersey-New York coast, the features of the Hudson Canyon have been largely hidden beneath hundreds of feet of water.
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In a "sneak peak" revealing a grim side effect of future warmer seas, new NASA satellite data find that the vital base of the ocean food web shrinks when the world's seas get hotter.
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The collapse of two Antarctic ice shelves is offering scientists a glimpse of rarely seen species&#8212;and at how pristine ocean ecosystems respond to sudden change.&#149; See photos >>
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FORT LAUDERDALE, Fla. _ Marine biologists and U.S. military divers are trying to turn an environmental mess off Fort Lauderdale's coast into an earth-friendly source of fuel.  Their target: an ill-conceived reef of rubber tires sunk into the ocean in the 1970s.
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Researchers are undertaking a mammoth effort to observe oceanic life using fiber optics and the Internet.
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Two satellites map gravity changes over Africa to show how water has been lost from the continent recently.
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Scientists map enormous impact craters hidden under the Antarctic ice sheet using satellite technology.
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British scientists have embarked on a mission to study a huge area on the Atlantic seabed where the Earth's crust is mysteriously missing and instead is covered with dark green rock from deep inside the planet.