Ancient Meteorite Impact Boosted Early Life on Earth, New Research Reveals

Thu Jul 03 2025 05:16:30 GMT+0300 (Eastern European Summer Time)
Ancient Meteorite Impact Boosted Early Life on Earth, New Research Reveals

A colossal meteorite impact nearly three billion years ago not only devastated the planet but also may have fueled the resurgence of early microbial life, according to recent findings from a team of researchers.


New research indicates that a massive meteorite, over 40km wide, struck Earth nearly three billion years ago, generating a tsunami and boiling oceans. Surprisingly, this catastrophic event may have created favorable conditions that allowed early life to thrive, as the impact enriched the environment with essential nutrients.



A significant scientific discovery reveals that a giant meteorite that crashed into Earth 3 billion years ago may have inadvertently fostered early microbial life. The colossal space rock, measuring between 40 and 60 kilometers in diameter, is believed to have generated a tsunami so vast that it dwarfed any historic sea wave, while simultaneously boiling Earth's primordial oceans.

Discovered in 2014, the meteorite, termed S2, is said to be roughly 200 times the size of the asteroid that led to the extinction of the dinosaurs 66 million years ago. During its impact, the planet was still in its formative years, overwhelmingly covered by oceans and populated solely by simple microorganisms.

A research team from Harvard University, led by Prof. Nadja Drabon, ventured to the Eastern Barberton Greenstone Belt in South Africa to collect samples of rock that hold evidence of this monumental impact. They faced numerous challenges, including treacherous terrain and the threat of wildlife and poachers, as they meticulously excavated fragments created by the meteorite's force.

Their findings detailed how the S2 meteorite gouged out a massive 500-kilometer-wide crater, launching rocks into the atmosphere that formed a cloud of molten droplets raining down upon the planet. The tremendous energy from the impact generated heat intense enough to nearly evaporate the oceans and darken the skies, causing a catastrophic disruption for many life forms reliant on sunlight.

Nevertheless, in a surprising twist, the rock samples indicated that the chaos from this event churned up vital nutrients like phosphorus and iron from the ocean floor, rejuvenating microbial life. Prof. Drabon likened this phenomenon to the rapid return of bacteria after brushing teeth – despite a massive die-off, life had an extraordinary ability to rebound.

These findings, recently published in the scientific journal PNAS, pose a paradigm shift in understanding early Earth’s environmental conditions. Rather than solely destructive, such meteorite impacts may have served as global 'fertilizers', benefitting early microbial organisms and paving the way for future biological diversity.

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