Ancient 4.1-billion-year-old meteorite found in the Sahara preserves clues to Mars' watery past

Summary

A meteorite found in the Sahara, about 4.1 billion years old, is described as a “Rosetta Stone for Mars” because it preserves clues about how the Martian environment has changed since the solar system formed.

Timeline

1. Wired

   3 Nov 2026, 10:15 UTCSource ↗

   Wired reports that the 4.1-billion-year-old meteorite found in the Sahara is a “Rosetta Stone for Mars,” preserving clues about how the Martian environment has changed since the solar system formed.