TUCSON, Arizona, Sept. 23 (TNSjou) -- The Planetary Science Institute issued the following news release: The first analysis of samples from the asteroid Ryugu returned to Earth by the Japan Aerospace Exploration Agency's Hayabusa2 spacecraft offers new insights into Ryugu's formation history. Laboratory analysis of 17 individual grains from the samples collected by Hayabusa2 found CO2-bearing water in an iron-nickel sulfide crystal, indicating the parent body formed in the outer Solar System, s  more