A newly-deployed satellite has created the most-detailed map yet of the ocean floor ... Changes in the sea surface height therefore point to what lies deep beneath the surface.

This is the Irish sea and it's a small part of the ... Pupils could work to label a world map, showing the locations of the five oceans and could carry out research to find the approximate size ...

At current rates plastic is expected to outweigh all the fish in the sea by 2050 ... debris in the north-central Pacific Ocean. It’s the largest accumulation of plastic in the world. Just how big is ...

A new map shows how parts of Louisiana could be swallowed up by the sea if ocean levels rise, amid warnings from experts that ...

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