Mars potential biosignature
NASA Finds Strongest Clue Yet to Ancient Microbial Life on Mars in Rock Sample
In July 2024, NASA’s Perseverance rover, roaming in Mars’ Jezero Crater, drilled into a reddish mudstone rock known as Cheyava Falls, located in the Bright Angel formation. The cored sample, called Sapphire Canyon, is about 3.2 to 3.8 billion years old — a time when Jezero was believed