Naomi Wilkinson and her young helpers find out about the salt water areas of the Earth - identifying the five oceans ... which plastic waste can reach the sea. It's a fun topic that will appeal ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater volcanoes that were previously missed.

The map above is essentially an x-ray of the ocean, and the colors show where it ... Still, the story isn’t all bad. Some seas have seen reduced human impact—in parts of the North Atlantic ...