Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

A Chinese deep-sea expedition to the Mariana Trench has uncovered an astonishing array of life forms thriving at depths once ...

Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

The Arctic Ocean is more than just icy waters, it harbors vibrant ecosystems — but it also harbors valuable oil, gas, and ...

An exploratory expedition describes two deep-sea, low-oxygen ecosystems in the Red Sea, including some surprising fish. The ...

When a male anglerfish finds his mate in the pitch-black expanse of the deep sea, he uses his sharp teeth to latch onto her ...

Organisms in the deep sea rely on gravity flows to lay down sediment and then make burrows beneath the seafloor, according to a new study.

Biodiversity is depleted and large furrows still lie in the seabed where deep-sea mining equipment operated more than 40 years ago, in findings that suggest it will take the deep sea multiple ...