The World’s Largest Mars Meteorite Sells for $5.3 Million: Why It’s So Valuable and What It Means for Science*

On July 16, 2025, a 54-pound (24.5 kg) Martian meteorite named NWA 16788 shattered records by selling for $5.3 million at a Sotheby’s auction in New York . This extraterrestrial rock, the largest piece of Mars ever found on Earth, has sparked fascination not just for its rarity but also for its scientific and cultural significance. But why is a chunk of Mars worth millions? And what will its new owner—who remains anonymous—do with it? Let’s explore the story behind this cosmic treasure. Why Is This Mars Rock So Expensive? 1. Extreme Rarity Only about 400 Martian meteorites have ever been discovered on Earth, making up just 0.6% of all known meteorites. NWA 16788 is 70% larger than the next biggest Martian meteorite and represents nearly 7% of all Martian material on Earth . Its sheer size and intact condition make it a once-in-a-generation find. 2. A Dramatic Journey from Mars to Earth This meteorite was blasted o...