the elephant seals enter the "twilight zone" -- also known as the mesopelagic zone -- a layer of the ocean that extends from about 656 feet to 3,280 feet below the ocean's surface that is abundant ...

By Spoorthy Raman Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding ...

Beneath the Pacific Ocean southeast of Hawaii, a hidden treasure trove of polymetallic nodules can be found scattered across ...

Despite growing interest in deep-sea mining, much of the deep ocean, particularly the midwater zone, remains poorly understood. A 2023 study in the Clarion-Clipperton Zone found that 88% to 92% of ...

To estimate the biomass of fish in the twilight zone – the area of ocean at 200-1000m below sea level – scientists used acoustic instruments called echo-sounders.

Get ready to head to the Twilight Zone (metaphorically!) as we track down the Baird’s Beaked Whale and find out how these elusive creatures withstand the crushing pressures of the deep ocean.