The largest piece of Mars ever discovered on Earth was offered for simply over $5 million at an public sale of uncommon geological and archaeological objects in New York on Wednesday, whereas a juvenile dinosaur skeleton went for greater than $30 million.
The 54-pound (25-kilogram) rock named NWA 16788 was found within the Sahara Desert in Niger by a meteorite hunter in November 2023, after having been blown off the floor of Mars by an enormous asteroid strike and touring 140 million miles (225 million kilometers) to Earth, based on Sotheby’s. The estimated sale value earlier than the public sale was $2 million to $4 million.
A Martian meteorite, weighing 54.388 kilos, stated to be the most important piece of Mars on Earth, is displayed at Sotheby’s in New York on Wednesday, July 9, 2025. (AP Picture/Richard Drew)
The id of the customer was not instantly disclosed. The ultimate bid was $4.3 million. Including varied charges and prices, the official bid value was about $5.3 million.
Two advance bids of $1.9 million and $2 million have been submitted. The stay bidding went slower than for a lot of different objects that have been offered, with the auctioneer attempting to coax extra provides and reducing the $200,000 to $300,000 bid intervals to $100,000 after the proposals hit $4 million.
The pink, brown and grey meteorite is about 70% bigger than the following largest piece of Mars discovered on Earth and represents almost 7% of all the Martian materials at the moment on this planet, Sotheby’s says. It measures almost 15 inches by 11 inches by 6 inches (375 millimeters by 279 millimeters by 152 millimeters).
It was additionally a uncommon discover. There are solely 400 Martian meteorites out of the greater than 77,000 formally acknowledged meteorites discovered on Earth, the public sale home says.
“This Martian meteorite is the largest piece of Mars we have ever found by a long shot,” Cassandra Hatton, vice chairman for science and pure historical past at Sotheby’s, stated in an interview earlier than the public sale. “So it’s more than double the size of what we previously thought was the largest piece of Mars.”
It’s not clear precisely when the meteorite was blasted off the floor of Mars, however testing confirmed it in all probability occurred lately, Sotheby’s says.
Hatton stated a specialised lab examined a small piece of the pink planet remnant and confirmed it was from Mars. It was in contrast with the distinct chemical composition of Martian meteorites found in the course of the Viking area probe that landed on Mars in 1976, she stated.
The examination discovered that it’s an “olivine-microgabbroic shergottite,” a kind of Martian rock fashioned from the gradual cooling of Martian magma. It has a course-grained texture and comprises the minerals pyroxene and olivine, Sotheby’s says.
It additionally has a glassy floor, seemingly as a result of excessive warmth that burned it when it fell by way of Earth’s environment, Hatton stated. “So that was their first clue that this wasn’t just some big rock on the ground,” she stated.
The meteorite beforehand was on exhibit on the Italian Area Company in Rome. Sotheby’s didn’t disclose the proprietor.
Bidding for the juvenile Ceratosaurus nasicornis dinosaur skeleton began with a excessive advance bid of $6 million, then escalated with provides $500,000 increased than the final and later $1 million increased than the final earlier than ending at $26 million. The official sale value was $30.5 million with charges and prices. The unique estimate was $4 million to $6 million.
Elements of the skeleton have been present in 1996 close to Laramie, Wyoming, at Bone Cabin Quarry, a gold mine for dinosaur bones. It is greater than 6 toes (2 meters) tall and almost 11 toes (3 meters) lengthy.
Specialists assembled almost 140 fossil bones with some sculpted supplies to recreate the skeleton and mounted it so it’s able to exhibit, Sotheby’s says.
The skeleton is believed to be from the late Jurassic interval, about 150 million years in the past, Sotheby’s says.
Ceratosaurus dinosaurs have been bipeds with brief arms that seem just like the Tyrannosaurus rex, however smaller. Ceratosaurus dinosaurs might develop as much as 25 toes (7.6 meters) lengthy, whereas the Tyrannosaurs rex could possibly be 40 toes (12 meters) lengthy.
The skeleton was acquired final yr by Fossilogic, a Utah-based fossil preparation and mounting firm.
Wednesday’s public sale was a part of Sotheby’s Geek Week 2025 and featured 122 objects, together with different meteorites, fossils and gem-quality minerals.
