Space NASA’s Comet-Hunting Probe Takes Aim at Icy Valentine February 8, 2011February 7, 2011 0 Comments A NASA spacecraft is fine-tuning its approach to an icy comet. URL: http://feedproxy.google.com/~r/spaceheadlines/~3/3grJmM46SNQ/10786-stardust-comet-tempel1-valentines-day.html