It is not an alien like glacier, it is another finding of extreme enviroments still supporting life. The answers they are seeking is how, and if possible, it could exists like that elsewhere in the universe. <br /><br /> Geesh. Don't feed the intelligent designers any more. They're annoying enough.<br /> <div class="Discussion_UserSignature"> <em>"<font color="#333399">An organism at war with itself is a doomed organism." - Carl Sagan</font></em> </div>