New Research Suggests Earth’s First Oceans Weren’t Blue: They Were Green

Earth's oceans weren't always blue, scientists say

Earth’s oceans may not have always been as brilliantly blue as they are today. In fact, there may have been a time when they weren’t blue at all. According to researchers at Japan’s Nagoya University, Earth’s earliest oceans glimmered with green hues for over 2 billion years. The ramifications may not only better our understanding of Earth’s distant past—it may help expand our search for life elsewhere in the galaxy. Although Earth itself cohere…

Scientists have discovered evidence that Earth's oceans were once green, suggesting that this could be a sign of early life both on our planet and on alien worlds, reports...

New Research Suggests Earth’s First Oceans Weren’t Blue: They Were Green

Scientists have discovered evidence that Earth’s oceans were once green, hinting that this could be a marker of early life, both on our planet and potentially on alien worlds. Imagine the world’s oceans with their beautiful blue color. Now, imagine those same oceans appearing green. This intriguing possibility is suggested by new research from Nagoya [...]

Were Our Blue Oceans Once Green?

Eddie Gonzales Jr. – MessageToEagle.com – Scientists find evidence that our oceans used to be green, suggesting that this may be a sign of primitive life, including that on alien worlds. The photo was taken by our research team on Iwo Island in the Satsunan Archipelago, Kyushu, in 2023. We measured the underwater transmission spectrum, […]