6 years ago
Mars is said to have had the right conditions to host life around 3.8 billion years ago.
By analysing rocks from the Gale crater — a 96 mile wide depression that was previously a huge lake — researchers have demonstrated the conditions on Mars over different periods. Their examination, distributed in the Journal Science, uncovers how the atmosphere transformed from a cool one to a warm, mild one in which life may have flourished.
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