-An ambitious new NASA research project aims to answer perhaps the most vexing and profound of scientific mysteries: How did life on Earth begin?
The multimillion-dollar undertaking, led by the NASA Goddard Space Flight Center in Greenbelt, Maryland, brings together an interdisciplinary team of scientists from around the world to study how organic molecules are created in interstellar clouds and delivered to planets as they form.The research will focus on the role of comets. Many scientists believe there is increasing evidence that comets supplied at least part of the raw material for the origin of life on Earth. The theory is changing the way scientists think about life in the universe and raises the possibility of alien worlds.
Stefan Lovgren
for National Geographic News
October 2, 2003
http://news.nationalgeographic.com/news/2003/10/1002_031002_cometstudy.html
From 1999:
http://www.windows.ucar.edu/tour/link=/earth/Life/comet_origin.html&edu=high
From 2007:
http://www.eurekalert.org/pub_releases/2007-08/cu-cpr081407.php