When hurricanes or strong storms sweep up the United States' East Coast and meet the shores of the country's largest estuary, ...

Scientists found manta rays dive nearly a mile deep to navigate the open ocean.

"In an environment where food is scarce, where there is nowhere to hide, and where the predators are probably faster than you are, most animals must find new ways to protect themselves." When you ...

Low oxygen caused the death of these corals and others in Bocas del Toro, Panama. The dead crabs pictured also succumbed to the loss of dissolved oxygen. (Credit: Arcadio Castillo/Smithsonian) In the ...

Denis Crean, a businessman and longtime swimming coach, has pursued his passion for open-water swimming in just about every kind of waterway. He has overcome headwinds at Lake George in Upstate New ...

The open ocean’s twilight zone, a vast deep ecosystem rich in fish biomass, is poorly understood because it is expensive and challenging for humans to reach its depths 200–1000 meters (660–3,280 feet) ...

Plastics floating in a massive “garbage patch” in the Pacific Ocean are home to strange new mixes of coastal and marine species that might increase the odds of biological invasions wreaking havoc on ...

Up and down the South Bay coastline, open ocean swims have drawn large crowds for years, including the iconic Dwight Crum Pier-to-Pier Swim, a 2-mile open-water race from the Hermosa Beach Pier to the ...

People with Thalassophobia might want to skip this video going viral, which single-handedly left countless netizens unsettled and even down-right terrified. The clip-in-question was of a massive cargo ...