Analysis of fossilised rocks known as stromatolites from more than two-and-a-half billion years ago has provided new insights into the conditions on Earth before the evolution of oxygen. Led by ...
Boulder, Colo., USA: Stromatolites are the earliest geological record of life on Earth. These curious biotic structures are made of algae carpets growing toward the light and precipitating carbonates.
BBC Sky at Night Magazine on MSN
Extra-terrestrial material found at an asteroid crater on Earth. Discovery could reveal how our planet got its oxygen
A discovery at an ancient impact crater could indicate how Earth developed enough oxygen for life to thrive ...
Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth’s weather could often be described as cloudy with a chance of asteroid. Back then, it was not uncommon for asteroids or ...
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