A new study suggests that the Earth's oceans may have changed color over time and could change again in the future, depending ...

This experiment confirmed that the green hue of the ocean was not only possible but also likely during the Archaean eon. What Could This Mean for the Future? “Will the ocean turn purple?” This is an ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The greenish hue was due to high ...