http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft. http://www.physorg.com/news169736472.html Space & Earth Mon, 17 Aug 2009 14:01:57 EST news169736472 Scientists are tracking the violent convulsions in the giant cloud of gas and dust that gave birth to the solar system 4.5 billion years ago via a few tiny particles from comet Wild 2. http://www.physorg.com/news146146200.html Space & Earth Mon, 17 Nov 2008 12:10:00 EST news146146200