Extraterrestrial Life: Headlines vs Reality
June 12, 2025
Eager reporters get excited about planets in habitable zones, but overlook show-stopping issues.
VIEW HEADLINES ONLY
Habitability: Just Add Water: A Lot of It
January 6, 2025
Desert planets are likely unlivable, even if they have water. They need oceans of H2O.
Mooney Tunes: The Fantasy Moons of Astrobiologists Leave Science Far Behind
October 3, 2024
You could be an astrobiologist, too. Just make up imaginary worlds filled with imaginary life.
How Astrobiology Could Be Scientific
January 9, 2020
Despite its propensity for wild speculation about life in space, there's one way Astrobiology could provide useful science.
Cut the Habitable Worlds by Half (or More)
June 11, 2019
Astrobiologists figure that most earth-like planets give off toxic gases.
NASA Verdict: Most Exoplanets Are Not Habitable
October 23, 2018
Superflares from the majority of stars would likely sterilize any planet in its "habitable zone."
How Did Earth Get Its Phosphorus?
September 12, 2018
The element phosphorus is hard to get to a planet's surface where it is needed.
Richter Scaling: Is Funding for Astrobiology and SETI Justified?
August 7, 2018
Should the government fleece taxpayers again for a project with almost zero chance for success? Consider two "Richter scales" that should inform hopes.
The Frantic Determination of Some Scientists to Discover Life Elsewhere
July 6, 2018
We often hear exciting news about 'habitable planets' that might have life, or at least the 'building blocks of life.' Are these reports based on sound thinking about the requirements?
Most Exoplanets Are Probably Not Habitable
June 26, 2018
More astrobiologists are coming to the "depressing" conclusion that we are alone in the universe, but it's only depressing if you're an evolutionist.
What Is It About Space Aliens that Makes Evolutionists Go Nuts?
June 10, 2018
Week after week, month after month, year after year, evolutionists speculate about imaginary friends they have never seen.
Earth as a Living, Breathing Planet: Is It Unique?
November 21, 2017
A new NASA video based on 20 years of data from earth-orbiting satellites will awe viewers.
Facing Reality About Life on Other Planets, 6: Chemistry and Probability
September 18, 2017
In this final segment about habitability of exoplanets, Dr Henry Richter looks at chemistry and probability.
Facing Reality About Life on Other Planets, 5: Water and Rock
September 12, 2017
by Dr Henry Richter There is much interest in searching for life elsewhere in the Universe. In previous articles I talked about the many criteria describing conditions and circumstances required to establish and maintain life on a planet. I talked about the importance of the location of the planet in its solar system. The location […]
Habitability Requires the Right Kind of Star
August 19, 2017
This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe.