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

The study sheds light on life during the Great Oxidation Event, a pivotal time roughly 2.4 billion years ago when ...

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 Japan.

Earth's oceans may have displayed a very different color several billion years ago. This hypothesis emerges from a recent ...

In a recent study, researchers gained new insight into the lives of bacteria that survive by grouping together as if they ...

Bacteria consist of a single cell. They do not have bones and are not like big animals that leave clear signs in the ...

Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...

The planet Earth thawed approximately 4.5 billion years ago. The Moon was created when a Mars-sized object crashed. If there ...

The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among ...

Discover the evolution of bacteria through machine learning, DNA comparisons, and the Great Oxidation Event 2.4 billion years ...