A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for as much as $4 million, according to the auction house.

The meteorite was discovered in Niger in November 2023 and is 70% larger than the next biggest piece of Mars recovered on ...

The rock was discovered on Nov. 16, 2023, by a meteorite hunter in a remote part of Niger in West Africa. It is about 70% larger than the next biggest piece of Mars rock on Earth, per Sotheby’s.

The mineral was first discovered by German mineralogist August Breithaupt in 1821, in a weathered brown coal deposit in the ...

But these old rocks were one of the rarest minerals found on Earth. Until the discovery, only about a snowball-sized amount of the mineral, called humboldtine, had ever been found, Roland Eichhorn of ...

Discovered in Niger’s remote Agadez Region in 2023, the meteorite travelled roughly 225 million miles through space.

The element is a "genetic fingerprint" of rocks in the main asteroid belt, where the fateful city-size rock was parked before it struck Earth 66 million years ago, Mario Fischer-Gödde, a ...

The name “rare earths” is a bit of a misnomer, as the materials are found throughout the Earth’s crust. They are more abundant than gold, but they are difficult and costly to extract and ...

The rock was discovered on Nov. 16, 2023, by a meteorite hunter in a remote part of Niger in West Africa. It is about 70% larger than the next biggest piece of Mars rock on Earth, per Sotheby’s.