Scientists uncover how ancient ocean salt controlled carbon storage and shaped global temperatures at the end of the last ice ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...

Deep beneath the ocean's surface, a groundbreaking DNA study reveals that the deep sea is far more globally connected than once thought. By analyzing thousands of brittle stars preserved in museum ...

Deep sea holds alien-like species. The frilled shark, a living fossil, remains a mystery. Its unique anatomy includes six ...

Among the new species of snailfish is the bumpy snailfish (Careproctus colliculi), which has a pink color, long fin rays and ...

Drilling for minerals deep in the ocean could have immense consequences for the tiny animals at the core of the vast marine food web—and ultimately affect fisheries and the food we find on our plates, ...