Types of planets where we might find alien life and Earth’s first animals

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 Abodes - At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In the second part of this series, T.C. Onstott digs beneath the surface to look for life, and Peter Ward weighs the odds of finding complex life in space and time. See article.
g Life - The first animal life may have emerged from a planetary deep-freeze 635 million years ago to eventually become a small part of those gallons of regular or high test that we pump into our gas tanks each week. See article.
g Cosmicus - Astronomers last week celebrated the formal acceptance of the first North American antenna by the Joint ALMA Observatory in Chile. See article.
g Learning - It is a testament to Darwin's extraordinary insight that it took almost a century for biologists to understand the essential correctness of his views. See article.

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