Graduate student Zach Dunseth carefully excavates wine jugs found in the ruins of a Canaanite palace that dates back to about 1700 B.C. Eric H. Cline/Courtesy of Eric H. Cline/George Washington University hide caption

itoggle caption Eric H. Cline/Courtesy of Eric H. Cline/George Washington University

The metal in an Egyptian iron bead dating from around 3,300 BC has been found to have originated from space, according to analysis. Here, the bead is seen in (clockwise from top left) a photograph, a CT cross-section view, a model of nickel oxides, and a model in which blue areas represent the rich presence of nickel inside the bead. The Open University/University of Manchester hide caption

itoggle caption The Open University/University of Manchester