The Cosmic Ancestry hypothesis - about which this site has a large amount of information - treats all of evolution, not just the origin of life on Earth, as due to interaction with cosmic microorganisms.
Short scientific article by John R. Gribbin. "Spreading of life-bearing spores across the Galaxy (panspermia) may be easier than is usually acknowledged."
Panspermia (Greek: πανσπερμία from πᾶς/πᾶν (pas/pan) "all" and σπέρμα (sperma) ... Panspermia can be said to be either interstellar (between star systems) or ...
Panspermia literally means seeds everywhere. Panspermia suggests that life could have existed on ... See Davies' Superbugs for further information on Panspermia ...
Panspermia Society, dedicated to promoting the future of life in space by ... Panspermia: Astrobiology Space Missions to seed the ... Panspermia Technical Paper ...
Descriptive entry in The Encyclopedia of Astrobiology, Astronomy, and Spaceflight. ... Panspermia began to assume a more scientific form through the proposals of ...