When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from human view: the secret world of the seafloor.

An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches, researchers said in a newly published paper. The deep-sea trenches, also called Hadal ...

Scientists recorded the first shark in Antarctic waters when a sleeper shark passed a deep-sea camera in near-freezing darkness.

New research shows why some shelly critters flourished in the ocean’s harshest habitats — and others didn’t Jack Tamisiea Beds of Bathymodiolus mussels provide important habitat for other deep-sea ...

Researchers from the University of Delaware’s College of Earth, Ocean and Environment helped lead the charge of underwater ...

The deep sea is home to some of the weirdest creatures on Earth, from ghostly elder fish to carnivorous harp sponges. Sometimes, scientists discover more humble creatures that are so tiny that they go ...

For all of humanity’s ventures to outer space, we’ve yet to see 99.999% of the deep-sea floor. In the latest subaquatic news, researchers discovered some 4,000 marine species, 88% of which were new ...

Far below the surface of the Red Sea, in a region long associated with the Biblical story of Moses parting the waters, scientists have stumbled onto a set of “death pools” that look more like science ...

A dome-fronted submersible sinks beneath the waves off Indonesia, heading down nearly 1,000 meters in search of new species, plastic-eating microbes and compounds that could one day make medicines.

The deep sea, the planet’s most expansive and least understood ecosystem, remains largely unexplored. Yet while the deep sea may seem a dark and distant space, events underwater directly impact our ...