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David Morrison

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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.

Has Global Warming Stopped?

Skeptical Inquirer Volume 37.5, September/October 2013

Special Report
Has Global Warming Stopped?

The latest public confusion about climate change involves an apparent slowing of the rise of global temperatures. What is the reality concerning this putative temperature ‘plateau’?

The Chelyabinsk Event of February 15, 2013

Skeptical Inquirer Volume 37.4, July/August 2013

Article
The Chelyabinsk Event of February 15, 2013

On February 15, 2013, the million inhabitants of the central Russian city of Chelyabinsk experienced a half-megaton explosion from a disintegrating space rock. What happened, and how did the people of Chelyabinsk react?

The Parameters of Pseudoscience

Skeptical Inquirer Volume 37.2, March/April 2013

Book Review
The Parameters of Pseudoscience

Skeptics often say they are trying to expose pseudoscience, but in reality we tend to use this term loosely. Creationism, homeopathy, alternative medicine, and cold fusion are clearly pseudoscientific, but what about ancient aliens, UFOs, alien abductions, Bigfoot, crystals, the Moon hoax, and many other claims investigated in the pages of the Skeptical Inquirer?

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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
Will Comet Elenin Destroy the World?

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
Fear of Sun, Moon, and Comets

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
Predicting the End of the World

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
Concerns about the Solar Maximum and Planet X

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
Morrison Q&A #3

David Morrison answers more common questions

Extraterrestrial Life

Responding to Public Questions and Misconceptions
June 1, 2010
Extraterrestrial Life

Questions from the public regarding extraterrestrial life.

Concern about Earthquakes and Volcanic Eruptions

Responding to Public Questions and Misconceptions
May 19, 2010
Concern about Earthquakes and Volcanic Eruptions

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
Disinformation about Global Warming

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
UFOs and Aliens in Space

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
Carl Sagan’s Life and Legacy as Scientist, Teacher, and Skeptic

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.

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