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  1. Complex Organics Made By Stars?
  2. A process still at work?
  3. Zarmina has life?
  4. The Fermi Paradox, Self-Replicating Probes, & Interstellar Transportation Bandwidth
  5. Curiosity Had Planetary Protection Slip-Up
  6. NASA confirms super-Earth that could hold life
  7. Life possible on "large parts" of Mars: Study.
  8. The Origin of Meteoritic Amino Acids
  9. alien birth
  10. How would the discovery of life on Mars effect our society?
  11. Stars within 200 light years of earth could see earth transiting the sun.
  12. Life on other planets??? Need YOUR opinions!
  13. Life Spotted on Venus - Russian Scientist
  14. An interesting thought
  15. Life in Lake Vostok
  16. A map of all the water in the solar system
  17. Biochip for Mars Life Detection
  18. Cellular Fossils Resulted from Pseudomorph
  19. Could humans eat extraterrestrial creatures?
  20. billions-of-potentially-habitable-planets
  21. how many ways are there to be 'intelligent'?
  22. [47 Tucanae]
  23. Evidence for ET More Likely Biased
  24. Galactic net
  25. Kolmogorov Complexity, String Information, Panspermia and the Fermi Paradox
  26. Exo-Oceans Not Detectable ?
  27. ESA EChO Exo-Gas Mission
  28. Origin of first cells at terrestrial, anoxic geothermal fields
  29. humans in white dwarf era
  30. Is Life Inevitable ?
  31. SETI idea: information partcles
  32. Designing a fictional extrasolar planet
  33. communication with aliens: thought experiment
  34. "Exo-life" or "life in the universe"?
  35. How realistic are Xenomorphs (Aliens)
  36. Thru Wormhole epi "Alien Contact" 45-degree slope; SETI's Doyle
  37. Archaea use a different fundamental protein
  38. Question about Life in the Universe
  39. If there were 10 Kardashev Level 2 civilizations in the Milky Way, would we know it?
  40. "...His last conscious memory was of the water on his tongue beginning to boil."
  41. If mars had a large moon and large core could it support life?
  42. Geography problem with bumping into E.T.
  43. EXPOSE-E(d) life in space!
  44. Sub-atomic sentient life?
  45. Alien invasion scenario's.
  46. What is the logic of assuming the existence (or nonexistence) of alien life
  47. Vatican Looks for Signs of Alien Life
  48. News from Titan
  49. Any updates to the uranium "biological life" story (Savannah River Site)?
  50. Will it become necessary for some humans to leave Earth and keep intelligence alive?
  51. Mars Organics and Curiosity
  52. Satlellites of large planets (in other systems), could some be life supporting?
  53. How not to freak out your readers
  54. Possibility of Life in the Universe
  55. If we could visit an inhabited planet, but inhospitable to us, what would we do?
  56. Could cultural distance make interstellar messaging unworkable?
  57. Better odds for panspermia?
  58. 0g Architecture
  59. Detecting Tidally heated ExoMoons
  60. Just inside the Goldilocks Zone
  61. Life on Titan: would it be Earth-like enough to detect?
  62. Alien life may require rare 'just-right' asteroid belts
  63. From plasma crystals and helical structures towards inorganic living matter
  64. expert says aliens dont exist
  65. Space Bees
  66. Spiders, cobwebs, and life: alien and not-so-alien...
  67. Extremophiles ~ Evolved in-niche or evolved elsewhere? (Extremists are bad examples?)
  68. At last, how many alien civilizations are there?
  69. Astrobiological Complexity with Probablistic Cellular Automata
  70. Robots rule the galaxy!
  71. How Small Can Life Be?
  72. Stellar transmitter.
  73. Methane on Mars and Earth
  74. Abiogenesis - The Information Model
  75. Metabolism First Strikes Back!
  76. Life, a universal virus?
  77. Study about Aliens
  78. What is the next earth?
  79. deliberately bringing plants to a planet with a CO2 atmosphere?
  80. Multiple habitable planets in one solar system?
  81. Life in a close cluster & likelihood of them having interstellar travel
  82. Intelligent Life Common Across Universe
  83. Would an autocatalyst dominate its environment? Why? Why not?
  84. Copernican Fallacy & 'Numbers'
  85. Mini Review: Probing the limits of extremophilic life...
  86. Dyson spheres and Black hole emit no light; How do we tell the difference?
  87. Viruses, eukarya, bacteria, archaea...
  88. POLL: Is there life beyond Earth?
  89. Searching for ET flyby probes with SOHO and other solar observations
  90. Is there life beyond Earth? New and Improved Poll.
  91. How many planets with bacteria, according to Alan Bond?
  92. Ecosystems and Meteorology of a Ringworld.
  93. Detecting Distant Life
  94. Alien genetics
  95. Unpredicting Evolution
  96. Alien (film series) - What if...?
  97. Chaos theory and the 'Life-outcome'
  98. White Dwarfs and Life
  99. How many living cells are there on Earth?
  100. Why would aliens be friendly?
  101. Sci fi about ETI: can it be more than entertainment?
  102. How to get noticed?
  103. Ocean-Land % on other planets
  104. What was in those droplets on the shaded legs of the Mars Phoenix Mission?
  105. Can we live farther away from the Sun
  106. Exo-extremophiles detection method by spectroscopy
  107. Astrobiology and space exploration: Is G. Gaylord Simpson's joke still relevant?
  108. Why life as we know it?
  109. amateur METI
  110. Earth-sized planets in habitable zones are more common than previously thought
  111. Stanford torus or equivelent space city
  112. SETI@home
  113. Astrobiologists claim meteorite carried space algae
  114. Most depressing ET message
  115. Lab experiments on Titan's atmospheric chemistry
  116. Mars Soil Resembles Veggie-Garden Dirt, Lander Finds
  117. Life Before Earth
  118. A plant by any other name
  119. Could we be detected from Alpha Centauri?
  120. Alien civilizations in the MilkyWay.
  121. The limits on life.
  122. Lowest ever reported temperature for bacterial growth - does this change anything?
  123. The new explain of Fermi paradox
  124. How many Earth analogue's could we build (if we had the technology) from...?
  125. Methane in Martian atmosphere may not be an indication of life
  126. questioning The Goldilock Zone
  127. Advanced alien communications
  128. Complex Hydrocarbons Detected in Titan's Atmosphere
  129. Is Nightfall realistic?
  130. Titan and the search for answers/clues about life
  131. Titan .. Adapt or Die!
  132. Biogenetic Carbon from Mars!