Plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought—and may be a big ...

Despite the stark differences between today’s world and that of the Archean, it is clear that at both times, climate has impacted — and been impacted by — life on Earth. This paper will take ...

2.5 to 4 billion years ago. This artistic conception illustrates large asteroids penetrating Earth’s oxygen-poor atmosphere.

Some people even describe the Archean oceans as ‘biological deserts.’ The Archean Earth was a water world with few islands sticking out. It would have been a curious sight, as the oceans were ...

The plate tectonics theory established in the 20th century has been successful in interpreting many geological phenomena, processes, and events that have occurred in the Phanerozoic. However, the ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

Does the presence of oxygen automatically mean life? How does the spectrum of Archean Earth compare to that of present-day Earth? Why is it important to consider the atmosphere of Archean Earth ...

Earth formed 4.54 billion years ago. The first period of the history of the Earth was known as the Hadean Period which lasted ...