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

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that released large amounts of ferrous iron into the water. The earliest ...

making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in a study published in Nature. The reason Earth's ...

making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in a study published in Nature. The reason Earth's ...

From outer space observatories, one sees Earth’s oceans showing a blue appearance, but this color has never been permanent over their existence. Multiple types of evidence from the past and present ...

As per The Conversation, the sun will get brighter as it ages, which might turn our waters purple. Evidently, however, the ...

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 ...

Tuesday was Earth Day, a call to action to encourage environmental protection and awareness.According to earthday.org, this ...