David Morrison
David Morrison is a long-time NASA senior scientist and Committee for Skeptical Inquiry fellow. He now divides his time between the SETI Institute and the NASA Lunar Science Institute. He hosts the "Ask an Astrobiologist" column at NASA's website.
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Ask an Astrobiologist
Skeptical Briefs Volume 22.3, Fall 2012
Ask an Astrobiologist
Ask an Astrobiologist
Skeptical Briefs Volume 22.2, Summer 2012
Ask an Astrobiologist
What is the history behind Astrobiology? How could we find life on other planets? Why is the U.S. government building bunkers to house the elite in case of a global disaster? Are we headed for another ice age?
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No End in Sight for Civilization
Skeptical Briefs Volume 22.1, Spring 2012
Ask an Astrobiologist
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Jesse Ventura’s New World Order, Camera Artifacts, and Life As We Know It
Skeptical Briefs Volume 21.4, Winter 2011-2012
Ask an Astrobiologist
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Solar Warming Is Myth, Global Warming Is Real
Skeptical Briefs Volume 21.3, Fall 2011
Ask an Astrobiologist
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The Supermoon and Comet Elenin
Skeptical Briefs Volume 21.2, Summer 2011
Ask an Astrobiologist
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Concerns about the Solar Maximum and Threats to Our Planet
Skeptical Briefs Volume 20.4, December 2010
Ask an Astrobiologist
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The 2012 Doomsday Hoax: Update II
Skeptical Inquirer Volume 35.4, July/August 2011
Follow-up
Will Comet Elenin Destroy the World?
Responding to Public Questions and Misconceptions
April 21, 2011
On Internet conspiracy sites, this comet is being blamed for the March 10 Japan earthquake and tsunami, and it is supposed to either hit the Earth or...
Fear of Sun, Moon, and Comets
Responding to Public Questions and Misconceptions
April 15, 2011
NASA astrobiologist David Morrison answers more questions
The Storms over Climate Change
Skeptical Inquirer Volume 34.6, November/December 2010
Book Review
The three books I review here offer complementary frontline accounts of the Climate Wars.
Predicting the End of the World
Responding to Public Questions and Misconceptions
December 6, 2010
NASA astrobiologist David Morrison answers more common questions
Concerns about the Solar Maximum and Planet X
Responding to Public Questions and Misconceptions
November 24, 2010
Questions from the public regarding the next solar maximum and the hypothesized "Planet X"
Did a Cosmic Impact Kill the Mammoths?
Skeptical Inquirer Volume 34.3, May / June 2010
The rise and fall of the theory that cosmic catastrophes altered human prehistory in North America.
Morrison Q&A #3
Responding to Public Questions and Misconceptions
June 18, 2010
David Morrison answers more common questions
Extraterrestrial Life
Responding to Public Questions and Misconceptions
June 1, 2010
Questions from the public regarding extraterrestrial life.
Concern about Earthquakes and Volcanic Eruptions
Responding to Public Questions and Misconceptions
May 19, 2010
Questions from the public regarding earthquakes and volcanic eruptions, answered by Dr. David Morrison
Disinformation about Global Warming
Skeptical Inquirer Volume 34.2, March / April 2010
Article
Most arguments from global warming disputers don’t make scientific sense or are based on distorted or obsolete information. Here are short answers to ten of...
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Moon Hoax Resolved: New Lunar Orbiter Images Show Moon Landers, Astronauts’ Tracks
Skeptical Inquirer Volume 33.6, November / December 2009
News & Comment
Did NASA fake the landings on the Moon? This has been one of the most consistent (and outrageous) conspiracy myths of our day.
Messages to ‘Ask an Astrobiologist,’ May 2009
Skeptical Inquirer Volume 33.6, November / December 2009
Featurette
Sidebar to Morrison's update on the Niburu 2012 doomsday
Update on the Nibiru 2012 ‘Doomsday’
Skeptical Inquirer Volume 33.6, November / December 2009
Follow-up
Special preview from the November / December 2009 Skeptical Inquirer
UFOs and Aliens in Space
Skeptical Inquirer Volume 33.1, January / February 2009
Article
It is widely (but falsely) reported that Buzz Aldrin saw a UFO on the Apollo 11 flight.
The Myth of Nibiru and the End of the World in 2012
Skeptical Inquirer Volume 32.5, September / October 2008
Article
An astronomer tries to counter misinformation on the Internet about a supposed rogue planet and an impending catastrophe.
Arthur C. Clarke Remembered
Skeptical Inquirer Volume 32.4, July / August 2008
Featurette
David Morrison remembers Arthur C. Clarke
Carl Sagan’s Life and Legacy as Scientist, Teacher, and Skeptic
Skeptical Inquirer Volume 31.1, January / February 2007
Article
In remembrance of Carl Sagan, a noted planetary scientist and colleague recalls Sagan's contributions to planetary research.
Astrobiology Is the New Modern Framework Encompassing SETI . . . and So Much Else
Skeptical Inquirer Volume 30.3, May / June 2006
Article
SETI is a scientific effort that has attracted wide popular interest over the past half century.
Only a Theory? Framing the Evolution/Creation Issue
Skeptical Inquirer Volume 29.6, November / December 2005
Article
Evolution opponents are framing the issues to our disadvantage.
Hyperbole in Media Reports on Asteroids and Impacts
Skeptical Inquirer Volume 29.2, March / April 2005
Article
Media reporting on asteroid impact-related science frequently exaggerate the uniqueness and significance of new research.
Is the Sky Falling?
Skeptical Inquirer Volume 21.3, May / June 1997
Article
A scientific consensus agrees that cosmic impacts have played a major role in Earth history...
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