Researchers identified some possible new species and said they “still don’t fully understand what’s down there.” ...

For national and international policymakers, decisions on how to regulate — and whether to allow — exploitative human ...

A remotely operated vehicle ventured to the depths of the ocean off the coast of southern New Zealand and captured “mesmerizing” footage of the never-before-seen ecosystems thriving in the ...

The deep sea begins at about 200 meters below sea level, where light starts to diminish in a region called the twilight zone.

Researchers say our understanding of Earth’s largest biome is based on a tiny, unrepresentative sample dominated by just a few countries.

Only a tiny fraction of the deep ocean is explored, leaving 66% of Earth’s surface largely unseen. Researchers urge global, ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans. But what does that really mean?

President Trump signed a far-reaching executive order aimed at accelerating the development of deep-sea mining for ...

A new study finds that humans have visually explored just 0.001 per cent of the deep seafloor - leaving vast areas unknown and raising concerns about biodiversity, climate, and deep sea mining ...

Researchers argue that expanding deep-sea exploration is vital to understanding and managing these marine habitats ...