Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries of deep ocean reefs. They’re finding new species — and evidence of both cl ...

(CNN) — How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As ...

(CNN) — Planet-heating methane is escaping from cracks in the Antarctic seabed as the region warms, with new seeps being discovered at an “astonishing rate,” scientists have found, raising fears that ...

Today on CNN10: We learn about a pair of storms brewing in the Atlantic Ocean, and what could happen if they meet. Then, we'll get the latest on a series of drone sightings that shut down some of ...

In recent years, a major ocean current changed its path in two crucial ways. Now parts of the sea are rising, other parts are falling, ocean temperatures are breaking records — and Japan’s iconic ...

(CNN) — A spellbinding image of two tiny but vibrant “ladybugs of the sea” has won the Ocean Photographer of the Year 2025 award. Taken by Indonesia-based photographer Yury Ivanov at his local dive ...