Understanding maritime boundaries is crucial for international relations, law, and resource management in the world's oceans.

Looking at Google Maps, it may seem as if every last corner of the planet has already been subjected to topographical surveys. But what lies beneath the ocean surface remains largely hidden from the ...

LONDON, June 9 (Reuters) - While many countries have agreed to take steps to protect the vast, ungoverned swathes of the world's oceans, they have yet to see their High Seas Treaty go into effect.

For around 2,000 years, global sea levels varied little. That changed in the 20th century. They started rising and have not stopped since — and the pace is accelerating. Scientists are scrambling to ...

For the Indigenous Rapa Nui people who live on Easter Island, one of the most remote inhabited islands in the world, the high seas have played an integral role in their daily lives for at least two ...

Oceans cover three-quarters of the Earth, yet only 20% of the seafloor has yet been mapped. The race to understand these depths could further scientific understanding, but also lead to ...