Essays

  • Fiction´s Most Realistic Vision of Our Astrobiological Future?
    Visionary science writer Sir Arthur C Clarke, author of more than 100 books, died recently at the age of 90 in Sri Lanka. Once called ‘the first dweller in the electronic cottage´, his vision of an astrobiological future and its technology captured the popular imagination.
    more...
  • Fiction´s Most Realistic Vision of Our Astrobiological Future?
    Visionary science writer Sir Arthur C Clarke, author of more than 100 books, died recently at the age of 90 in Sri Lanka. Once called ‘the first dweller in the electronic cottage´, his vision of an astrobiological future and its technology captured the popular imagination.
    more...
  • NASA’s Astrobiology Origins
    Ten years ago, a new NASA program dedicated to the science of Astrobiology was born.
    more...
  • NASA's Astrobiology Origins
    Ten years ago, a new NASA program dedicated to the science of Astrobiology was born.
    more...
  • If We Had No Moon
    In this essay, Bernard Foing looks at the effect the Moon has had on the Earth, and explores how different our world would be if we had no planetary companion.
    more...
  • Are Planetary Systems Filled to Capacity?  (part 2)
    In this essay, Steven Soter examines computer experiments that simulate the gravitational interactions among planets over billions of years. These models suggest that the solar system is only marginally stable and is dynamically full, or nearly so. Adding another planet between the existing ones
    more...
  • Are Planetary Systems Filled to Capacity?
    In part one of this two-part essay, Steven Soter explains that planetary systems, including our own, hold as many planets as they can, and adding more planets may make them unstable.
    more...
  • Pale Blue Dot III: An Astrobiological Field Report
    In this essay, David Grinspoon provides an overview of the "Pale Blue Dot III" workshop recently held in Chicago. While the overall scientific theme of the workshop was finding habitable Earthlike planets around other stars, communicating that science to the general public was also
    more...
  • Returning to Sample Mars
    At the Viking thirtieth anniversary celebration, Noel Hinners pushed for a Mars Sample Return mission. "The science imperative for Mars Sample Return is equally compelling to what Viking was looking for," said Hinners, "and in many ways associated with some of the same goals
    more...
  • Tulips on the Moon
    Bernard Foing, Project Scientist for the lunar satellite SMART-1, discusses the steps we need to take to develop bases on the Moon. Growing flowers is one step towards making the lunar desert an oasis for human life.
    more...