In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, featureless oceans. Beneath the waves, the ocean floor was largely unknown ...

A map of the Atlantic Ocean floor. NASA Earth Observatory map by Joshua Stevens, using data from Sandwell, D. et al. (2014). 2023-08-25T03:08:03Z ...

In highly tectonic regions of the Earth’s crust, or in areas connected to deep petroleum basins, methane streams up from the ocean floor. In other places, these gaseous seeps are much less ...

Some of the deadliest weapons ever made by humankind are right off our shores, deliberately dumped at the bottom of the ocean from Delaware to Florida. Fifty years ago this month, servicemen sank ...

Pieces of Earth’s rocky mantle were collected by a drilling vessel called the JOIDES Resolution about a mile beneath the North Atlantic ocean floor at an underwater mountain called Atlantis ...

For about 200 years, the ships remained untouched in the Atlantic Ocean. Today, however, they are protected as part of the Florida Underwater Archaeological Preserves.

Gigantic 'mud waves' buried deep beneath the ocean floor reveal dramatic formation of Atlantic when Africa and South America finally split Mystery behind cold blob in the Atlantic Ocean finally solved ...

Similar openings on the sea floor were first spotted 18 years ago along the Mid-Atlantic Ridge. Their origins remain unknown. Scientists are asking the public for their thoughts.

A large piece of space shuttle Challenger, which exploded and rained down in pieces in January 1986, has been found on the floor of the Atlantic.

Atlantic Shores Offshore Wind will take its initial steps toward installing New Jersey’s first offshore wind farm by submitting an application to test whether the ocean floor is suitable to ...

The Atlantic Ocean’s sensitive circulation system has become slower and less resilient, according to a new analysis of 150 years of temperature data — raising the possibility that this crucial ...