The oceans

Oceans cover two-thirds of the world’s surface and are home to more species than in all the Earth's other environments put together. Despite this, we know less about the deep oceans than we do about the surface of the moon. Find out what we do know. Explore hydrothermal vents – underwater phenomena that could hold secrets to the origins of life on Earth, and dive in for a closer look at what else the oceans can tell us.

  • Penguins
    Frozen oceans - weekly journals

    Scientist David Thomas spent 10 weeks in the middle of the Antarctic. Read about his adventures and the important research that he carried out with 50 other scientists.

  • Sea cucumber
    Deep ocean

    Ampire squids and other monsters – journey to the mysterious world at the bottom of the sea to explore life in the deep oceans.

  • Birth of an ocean
    Birth of an ocean (video)

    Ever wondered how oceans form or where and when the next one will appear? Join us to find out.

  • Barnacles: Foul play is a role for specialists
    Barnacles: Foul play is a role for specialists (video)

    Although they look like molluscs, barnacles are actually related to shrimp and prawns. Phil Rainbow discusses the mysterious barnacles.

  • Coral reef
    Coral reef (video)

    Museum visitors and palaeontologist Brian Rosen debate newly published research on coral reefs, including the threats to their survival.

  • Rising temperatures and marine life
    Rising temperatures and marine life (video)

    Museum curators examine the first ever British barracuda, recently caught off the coast of Cornwall but typically a warm water species.

  • Speciation in the sea
    Speciation in the sea (video)

    How are new species formed? In the sea, the answers to this and other related questions have remained elusive until very recently.

  • The warped world of deep-sea fish
    The warped world of deep-sea fish (video)

    Fish curator James Maclaine examines some of the more bizarre fish specimens that have come from the various depths of the ocean.

  • Sponges: Bathroom beasties to medical miracles
    Sponges: Bathroom beasties to medical miracles (video)

    Discover why there's more to a sponge than just a bathroom accessory, with Museum zoologist Clare Valentine.

  • Section through a black smoker chimney
    Hydrothermal vents

    Richard Herrington examines hydrothermal vents on the seafloor and their associated animal life.

Cartoon image of a stegasaurus disappearing through closing door

With our shark experts, Speedo developed a super-fast swimsuit – its special fabric mimics the microscopic features of sharks’ skin.