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Microbial life in the form of bacteria was found under the scorching wasteland of the Atacama Desert. Click to read more.

Plate tectonics may have driven the formation of the continental crust. Click to read more. The origin of life on Earth has been a mystery, with scientists baffled as to how the transition from inorganic to organic matter created the simple life forms and complex ones that we see today.

Atmospheric oxygen levels may have decreased during the last 800,000 years due to glacial erosion. Studying air bubbles preserved in Antarctic ice for up to 1.5 million years have uncovered the likely cause of the depletion of oxygen in the atmosphere for not less than 800,000 years.

An unidentified culprit has been the cause of oxygen declines in our atmosphere for not less than 800,000 years. After analyzing the air bubbles stored in Antarctic ice for about 1.5 million years the likely suspect was caught. In the late Pleistocene, oxygen levels started to decline significantly, and it seems that glaciers may have been a factor, as per researchers.