4.45 billion years old rock reveals Mars may have held the ‘key ingredient for life’

Scientists have found evidence of hot water on Mars dating back 4.45 billion years, the earliest yet. A zircon grain in the 'Black Beauty' meteorite suggests the presence of hydrothermal systems during Mars' pre-Noachian period, potentially indicating early habitability.

from Science News - Times of India https://ift.tt/0aX7Fzq
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