Over 20% of the global ocean has darkened in the past two decades, shrinking critical light zones that support marine life.

Ancient Greek Nearchus' Indian Ocean voyage showcased ancient maritime courage and leadership through a daring naval “battle” with whales.

The Mariana Trench, located in the western Pacific Ocean, is the deepest part of the world’s oceans and one of Earth’s most mysterious geographic wonders. This video takes you on a journey to explore ...

A new study reveals over 20% of the ocean has been losing sunlight, raising concerns for marine life and climate.

More than one-fifth of the global ocean—an area spanning more than 75 million sq km—has been the subject of ocean darkening ...

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The story is true. The German sub officially was known as U-166. It was among a fleet of 23 sent to the Atlantic Ocean in the ...

427 FEETThe team generally saw larger animals at greater depths. The ocean sunfish, Mola mola, is one of the heaviest bony fish; this one is about six feet long. It often migrates to the surface ...

Bernadette Dugasse was just a toddler when her family was forced to leave her birthplace, the Chagos Islands. She didn’t get ...

A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of ...