A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for auction at Sotheby’s on July 16.

This Martian meteorite is the largest piece of Mars we have ever found by a long shot,” Sotheby’s vice chairman of science and natural history Cassandra Hatton explained as NWA 16788 was to be the ...

In 2018, an independent researcher bought a piece of space rock from a vendor in Morocco. It could change what we know of the Solar System's formation.