Life's Building Block Found in Comet
By SPACE.com Staff
Read the full story here: http://www.livescience.com/space/090817-comet-life-ingredient.html
A fundamental ingredient for life has been discovered in a comet sample, supporting the idea that such icy objects seeded early Earth with the stuff needed to whip up living organisms.
New research firms up past suggestions of glycine, the simplest amino acid used to make proteins, inside samples from the comet Wild 2 (pronounced "Vilt 2").