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 ...

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 ...

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 ...

The ancient remnants from Earth's mantle were a lot less oxidized than samples from the modern mantle. That means something must have changed between now and the Archean Eon, which was over 2.5 ...