That's right. Comets may have helped seed life on Earth. Far out, right? Sarah Everts has the chemical clues that back up this out-of-this-world hypothesis.
- Comet collisions may have helped seed life on Earth | C&EN
http://cen.acs.org/articles/94/i15/Co... - Philae Probe Sniffs Out Comet's Chemistry | C&EN
http://cen.acs.org/articles/93/i31/Ph... - Amino acids from ultraviolet irradiation of interstellar ice analogues | Nature
http://www.nature.com/nature/journal/...
Apologies to Paul Wild, who discovered the comet Wild 2 along with several others. His last name is pronounced Vilt.