A large Martian meteorite found in Niger recently sold at auction. Now, the country is investigating the legality of its ...

Sotheby’s insists the rock was exported legally but Niger, where the meteorite was found, is investigating the sale.

The recent auction of a Martian meteorite — for a record-grabbing US$5.3 million at Sotheby’s New York—has sparked questions ...

In my personal collection of rocks, fossils and minerals I have an iron/nickel meteorite, writes our columnist - but the debate on who ...

The southwestern U.S. is facing a "megadrought" that has set a 1,200-year record. Researchers from the University of ...