The deep sea is a unique "evolutionary engine," with one of the richest and most unexplored sources of genetic diversity on Earth, according to a major new study that assessed its potential to transform biotechnology and DNA sequencing technologies.

Researchers from the Institute of Deep-sea Science and Engineering (IDSSE) of the Chinese Academy of Sciences, in collaboration with the University of Pisa, Italy, and the National Institute of Water and Atmosphere Research,

Scientists say most of the ocean remains unexplored, raising concerns as climate change and seabed mining reshape marine ecosystems.

The first published live observations of the rare goblin shark (Mitsukurina owstoni) in its natural deep-ocean habitat were reported in a new paper by a University of Hawai'i at Mānoa-led team of oceanographers.

The Trump administration plans to scrap a $368-million investment in deep-sea ocean monitoring that is critical to monitoring extreme weather.

Scientists have unearthed communities of marine life — including jellyfish, tubeworms and brittle stars — thriving on a millions-year-old whale graveyard. A whale's sheer size and the unique