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

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 ...

The recent paper's case for green oceans in the Archaean eon starts with an observation: waters around the Japanese volcanic ...

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

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

Banded iron formations were deposited in the Archean and Paleoproterozoic eons, roughly between 3.8 and 1.8 billion years ago. Life back then ... hue linked to a form of oxidised iron - Fe(III).

Tantalizing clues in 4-billion-year-old asteroid Bennu samples could reveal particular molecular formations that some ...