Among items going up for auction at Sotheby's in New York is a 54-pound rock that the auction house calls the largest piece ...

Both meteorites contain olivine and pyroxene, minor albitic plagioclase and oldhamite. Such features are consistent with predictions for Mercury's surface composition.

A massive Martian meteorite is set to be auctioned at Sotheby's in New York. The meteorite, named NWA 16788, weighs 54 pounds. It is considered the largest fragment of Mars found on Earth. The auction ...

Both of the meteorites contain olivine and pyroxene, as well as minor albitic plagioclase and oldhamite, which the team explains is consistent with predictions for the composition of Mercury's ...

The ratio of lead and potassium-argon isotopes in this block of mineral components including olivine, pyroxene, feldspar and glass gives it an age of roughly 4.57 billion years, which makes it ...

Every now and then, a piece of Mars comes crashing down on Earth, but in 2023, an exceptionally large Martian meteorite fell out of the sky and landed in Niger. This chunk, the largest meteorite from ...

They comprise silicates such as olivine and pyroxene, often found in igneous and metamorphic rocks, apart from plagioclase and oldhamite. However, the iron-free silicates and oxygen isotopes they have ...