
Signs in Martian Mudstone, Possible Microbial Life 3.5 Billion Years Ago
A Glimpse into Ancient Mars In a discovery that could reshape our understanding of life beyond Earth, NASA’s Perseverance rover has found striking features in a sample of reddish mudstone from Jezero Crater. Formed roughly 3.2 to 3.8 billion years ago in what was once a lakebed, this rock called Sapphire Canyon showcases ring-shaped and…