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 - Astronomers found a tail of carbon, oxygen, and other material trailing behind a dying star called Mira. See article.
g Life - Scientists have determined that formations once identified as ancient tubeworm fossils are actually the remnants of 70-million-year-old methane vents. The discovery highlights how our understanding of life's evolution can change in light of new scientific evidence. See article.
g Message - Could humans be the only intelligent beings in all the vastness of the universe? Or are we just one humble race, a member of a vast intergalactic fraternity of advanced civilizations? SETI, the Search for Extraterrestrial Intelligence, is the scientific quest to answer these great unknowns. See article.
g Cosmicus - This month marks the 10th anniversary of the launch of NASA's Stardust spacecraft, which is now more than 8.4 million miles from Earth. See article.
g Learning - The 1859 publication of "On the Origin of Species" changed scientific thought forever — and generated opposition that continues to this day. It is this elegant explanation of how species evolve through natural selection that makes Darwin's 200th birthday on Feb. 12 such a major event. See article.
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