There are certain things that have become mainstays on Earth. One of these things is the ocean being blue, there are ...

Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

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

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

The ocean was most likely green, and it might not have been blue forever. Japanese scientists from Nagoya University first ...