The ocean is vast and on average about 4,000 metres deep. It contains 1.3 billion cubic kilometres of water – that’s 97% of all the water on the surface of the Earth. [1] Home to over 240,000 known ...

So take care of me, please, because I'm your home. Here are some more facts about oceans in these BBC Bitesize and BBC Teach guides. Learn how big the oceans are and where they are located with ...

Discover 8 fascinating facts about ocean tides, from the moon's influence to the science behind high and low tides. Explore ...

Uncover 8 surprising facts about trash on the ocean floor and its hidden impact on marine life. Learn how pollution reaches ...

James Maclaine, a curator at the Natural History Museum, shows us some of the incredible creatures that are found in the deepest depths of our oceans ... for more deep sea facts, on until ...