Indian rock samples may hold Earth's oldest signs of life at 3.5 billion years
Researchers have discovered biological traces in Indian rock samples dating back approximately 3.5 billion years, potentially representing the oldest known signs of life on Earth. The samples show evidence of photosynthetic activity and complex metabolic processes. These biological materials are believed to have originated near underwater hydrothermal vent environments. The finding pushes back our understanding of how early life emerged and thrived on the planet.
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