Were Earth's Blue Oceans Once Green? - Astrobiology

Were Earth's Blue Oceans Once Green? - Astrobiology

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. Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in […] The post Were Earth’s Blue Oceans Once Green? appeared first on Astrobiology.