Monday, January 07, 2008

Oxygen on early Earth and treasure map in search for extraterrestrial intelligence

Welcome! “Alien Life” tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. You may notice that this and future entries are shorter than usual; career, family and book deal commitments have forced me to cut back some of my projects. Now, here’s today’s news:
g Stars - A new research has suggested that life could have started in the universe 500 million years earlier than it did, but UV radiation suppressed its formation. See article.
g Life - Scientists have found that oxygen and the life that generates it might have enriched the Earth far earlier than currently supposed. The discovery, sure to be controversial, suggests life could arise earlier than now thought on alien planets, too. See article. Note: This article is from 2006.
g Message - Researchers probing the universe for signs of extraterrestrial intelligence got their treasure map in 2006. It came in the form of a list of 10 stars likely to be at the center of planetary systems that could support life. See article.
g Aftermath - A raft of newly unclassified CIA documents reveal that the remote possibility of alien invasion elicited greater fear than a Soviet nuclear attack. See article.

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