For centuries, Earth’s oceans have always been blue. However, research states that oceans will turn green again soon. By again, I mean, once upon a time the oceans used to be green; now, they are blue ...

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.

This ocean is being created by the tectonic plates of Africa and Arabia being torn apart. All oceans are formed in this way, but this is one of the rare places where this process can be witnessed ...