A team of science-minded kayakers and snorkelers in La Jolla Cove had the encounter of a lifetime when a dead oarfish washed to the ocean surface on Aug. 10, 2024. This deep-sea fish is incredibly ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

New research sheds light on the overlooked contribution of the ocean’s most abundant fish to marine carbon cycling. The findings open new avenues for studying deep-sea carbon dynamics and may improve ...

Scientists have uncovered why big predators like sharks spend so much time in the ocean’s twilight zone. The answer lies with mid-sized fish such as the bigscale pomfret, which live deep during the ...

In the deep ocean, where sunlight never reaches, and food drifts down like confetti, survival is less about speed and more about strategy. Take, for example, the tripod fish, a creature that can swim ...

From a research vessel in the Pacific Ocean, scientists watched the feeds of several cameras sitting on the seafloor. Miles below, a deep-sea fish approached the camera’s bait then, changing its mind, ...