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 ...

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

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

The far-reaching glow of bioluminescence has haunted sailors for centuries across the Indian Ocean. Now scientists believe ...

In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

The reason Earth’s oceans may have looked different in the ancient past is to do with their chemistry and the evolution of ...

The new research, published recently in Nature, used numerical simulations to reconstruct the underwater light environment of ...

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

A new database compiling over 400 sightings of a mysterious ocean phenomenon known as ‘milky seas’ could help scientists soon ...