Iron meteorites are mainly made of an iron-nickel alloy with a distinctive crystalline structure known as a Widmanstätten ... Sometimes the olivine does not occur as a single crystal but as a cluster.

It took a while for scientists to gain access to the samples that NASA’s OSIRIS-REx mission took from the asteroid Bennu, but ...

An algorithm designed to find the most efficient path from atom to atom in a bizarre kind of crystal turns out to ... source has ever been found: a meteorite discovered in Russia in 1985.

A zircon crystal blasted off the face of Mars before landing on Earth as part of one of the most unusual meteorites ever ... indicate how such an exceptional structure could be made.