6 July 2012 Last updated at 07:02 ET Spacefaring worms undergo genetic changes associated with longer lives in their Earth-bound cousins, research has shown. A number of Caenorhabditis elegans worms were carried aboard a mission to the International Space Station (ISS) and brought back for study. Researchers found reduced activity of five genes in the worms that, when suppressed in the species on Earth, lead to longer lifetimes. Continue reading →