Article: Second, Alien Life Form May Exist on Earth, States Report in Astrobiology Journal.

NEW ROCHELLE, N.Y. -- If life readily emerged on Earth shortly after conditions became favorable, isn't it likely that other genesis events also occurred, creating additional "alien" life forms that co-exist with known life, asks a groundbreaking hypothesis paper in the April 2005 (Volume 5, Number 2) issue of Astrobiology, a peer-reviewed journal published by Mary Ann Liebert, Inc. (www.liebertpub.com). The paper is available free online at www.liebertpub.com/ast.

In "Finding a Second Sample of Life on Earth," authors P.C.W. Davies and Charles Lineweaver propose multiple scenarios for how a second genesis of life could have occurred. Given that existing life ...

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