Medea Hypothesis and Roman aliens

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 - Late next month Earth will receive a new celestial visitor named Lulin – or Comet C/2007 N3 – which astronomers say may have never visited this corner of the solar system before and should be visible to the naked eye. See article.
g Life - Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. See article.
g Message - The idea that we Earthlings may not be alone is not new, nor is the idea of trying to signal our cosmic neighbors. The first era of interplanetary communication began in the 19th century. See article.
g Imagining - It's been two millennia since the Roman Empire held sway, but it's thriving on a dozen fictional planets. Somehow, aliens love to imitate the glory that was Rome. Here are the greatest interplanetary toga parties. See article.

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