Waterfall selfies, river dips and dawn swimming in the ocean, it seems like wild swimming is exploding across Wales, why not ...

Half the planet lies outside any country’s border. In those waters, rules have long been thinner than the myths: freedom to ...

When we think of snow, we usually think of winter. But did you know that it is always snowing in the ocean? Read more about marine snow.

Norway’s fjords are among the most recognisable natural landscapes in the world. Formed by repeated glacial advances over ...

Giant amphipod species Alicella gigantea, once thought to be very rare, is found to inhabit the majority of Earth's deep ...

A lot of weird-looking life-forms lurk in the deep sea, and this year we got some spectacularly close looks at several of ...

Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea ...

Seven thousand years ago, people living on the Atlantic edge of Europe built a massive wall of stone where land met water.

As companies search underwater for resources, scientists are taking inventory of the ocean-dwelling creatures that could be ...

Beneath cold, high-pressure oceans, water and gas molecules clump together into crystalline solids called gas hydrates.

The geology of the ocean floor is truly spectacular — perhaps even more than land geology. Unfortunately, it's really hard to study.

From laid-back Pacific destinations to East Coast harbor towns, explore the 10 best coastal cities in the U.S.