Reasons to Believe

Habitable Planets

  • Strangulation Efficiency in Galaxy Clusters

    Kawata and Mulchaey’s discovery arose from a detailed chemodynamical simulation of how neighboring galaxies and gas clouds impact the star formation history of a disk galaxy.1 (All spiral … more

  • Is Life Possible on a Moon?

    A team of American astronomers recently announced the discovery of the first known planet outside our solar system to spend its entire orbit within the “habitable zone.”1When astronomers … more

  • Does the Probability for ETI = 1?

    Earlier this fall (September 25) I had a three-minute debate on Mancow’s Morning Madhouse, a nationally syndicated radio show, on the topic “Is there scientific evidence for intelligent … more

  • Planet Migration Tests Solar System Design

    Astronomers have discovered over 250 planets outside of our solar system residing in over 200 different planetary systems. However, all of these extrasolar planets exhibit characteristics that would … more

  • Searching for Earths

    I once saw a toy that served as a visual example of the saying "one in a million". It consisted of a clear plastic ball about 4 inches in diameter filled with literally a million little plastic cubes. … more

  • Planet Rotation Design

    If the planet rotates too slowly, the temperature differences between day and night will become too extreme. If the planet rotates too quickly, the jet streams will become too laminar and too stable, … more

  • Effect of Distant Orbiters on Habitability

    A recent study by an MIT astronomer of a distantly orbiting companion to the nearby planet-hosting star HD 3651 illustrates the problems a distant relative can pose for any possible life-supportable … more

  • Why We Need to Return to the Moon

    The Apollo missions were more than just television spectaculars, however. The Apollo program helped us solve the mystery of the moon’s origin and helped establish how amazingly designed the moon … more

  • Follow the Water...to Life?

    However, despite a quadrupling of funds in just six years (compared to a vastly smaller increase for all the other sciences) and despite decades of diligent searching, no one has found any evidence … more

  • Search for Planets Draws a Blank

    Is the universe really rife with life sites, as Carl Sagan asserted?1 Research data continues to shape an answer to this question, but the weight of evidence falls, thus far, on the negative side. The … more

  • Aliens From Another World? Getting Here From There

    Growing numbers of UFO and ETI cults, some overtly religious, others with the pretense of purely scientific endeavor, preach their own message of salvation for the human race, a message that directly … more

  • First Detection of Earth-sized Planet?

    A team of 41 astronomers from Australia, Japan, New Zealand, and the United States took advantage of a naturally occurring telescope to image a small planet orbiting a star somewhere between us and … more

  • Live Here or Nowhere

    In the latter half of this decade, science revealed the importance of our solar system’s position in the galaxy between two spiral arms, where certain life-disturbing phenomena rarely occur and … more

  • Life Zones in Space

    No wonder these systems hold such fascination for scientists, for everyone! In October 1999, Science focused an entire edition on planetary systems. It featured a dozen papers on the topic, including … more

  • A Twin or Not a Twin?

    Recent studies of the Edgeworth-Kuiper asteroid belt reveal the “amazing circumstances” required to make our solar system a suitable place for life.1 The belt itself is a recent discovery. … more

  • The Heavens Resound with a Message for Mankind

    Their investigation of planetary resonances (the intensification of gravitational effects resulting from orbital patterns and repeated, regular planetary alignments) indicates that without an … more

  • A Spectrum of Views on ETI

    by Sam Conner, Dr. Guillermo Gonzalez, and Dr. Hugh Ross

    The “Christian position” on extraterrestrial intelligence (ETI) has been a matter of debate since the time of Thomas Aquinas.1, 2 … more