Rare 4.1-billion-year-old meteorite found in the Sahara is a piece of ancient Martian crust

Summary

A rare meteorite found in the Sahara Desert has been identified as a piece of Mars' ancient crust, about 4.1 billion years old. Outlets report that Martian samples this old are extremely rare and offer clues about the Red Planet's youth. The rock was knocked off Mars by an impact and later fell to Earth, and the reporting says it adds evidence that Mars was once a warm, wet world that may have had conditions to host life.

Timeline

1. Ars Technica

   30 Oct 2026, 18:13 UTCSource ↗

   Ars Technica reports that a meteorite found in the Sahara is a rare piece of Mars' ancient crust.

2. Smithsonian

   30 Oct 2026, 18:42 UTCSource ↗

   Smithsonian reports that the rosy Sahara stone is a 4.1-billion-year-old Martian meteorite, one of the oldest ever found, and that it hints Mars was once a watery world that may have had conditions to host life.

3. Universe Today

   30 Oct 2026, 19:14 UTCSource ↗

   Universe Today reports that the ancient Sahara meteorite adds weight to the idea that Mars was once warm, wet and possibly habitable.