According to NASA records, 517 loaned astromaterials have been lost or stolen between 1970 and June 2010. Wow. That really makes me have a lot of confidence in the space program. Way to go, NASA. I mean, I can see loaning Moon Rocks out every once in awhile for a conference, or a museum showing, but 517 are gone? Has anyone looked on eBay lately? Read the whole story HERE