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But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

Earth’s oceans once looked green—and could turn purple or red due to climate and volcanic changes. Find out what it means for ...

THE Earth’s ocean could one day turn purple – and scientists say it used to be a totally different colour. When observed from ...

Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

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 ...

to the Blue Planet II team, an inspiring story to re-tell. Curtis is a pioneer in following the paths of floating objects on the ocean and has even coined the term ‘Flotsametrics,’ which ...