Field of Meteoritic Glass Found In Brazil

Some examples of “geraisites,” named after the state of Minas Gerais where they were found. (Image credit: Álvaro Penteado Crósta/IG-UNICAMP/Agency FAPESP)

A field of tektites, tiny glass grains formed during meteorite impacts, has been found in Minas Gerais, Brazil. Read more about this discovery—and the mystery of the missing crater—on Space.com.