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.
Unrestrained Speculation in Darwin Fantasyland
August 22, 2019
As long as you bow the knee to Darwin, you can say stupid things and nobody will laugh at you.
Star Formation Theories Fail to Shine
May 10, 2018
Big things are wrong in astrophysics, say several news articles.
Giant Planet Sends Planetologists Scrambling
November 3, 2017
Secular astronomers are experts in telling the public about things that are observed but should not exist.
The Habitability Habit: Exaggerating Earth-Likeness
July 26, 2017
Secularists put too much hope on some aspects of Earth-like exoplanets, but sometimes reality keeps their imaginations in check.
Hope, Not Evidence, Drives Astrobiology
August 25, 2016
Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.
Only Earth Is a Life Haven
June 23, 2016
Here are more discoveries that make it reasonable to think complex life is rare in the universe, and might be unique to Earth.
More Challenges to Astrobiology
May 26, 2016
There aren't likely as many places to live outside of Earth as earlier hoped.
Astrobiology: The Joy of Being Wrong
August 18, 2015
An astrobiologist looks forward to the day when everything he says is totally wrong.
You Wouldn't Want to Live on "Earth's Cousin"
July 24, 2015
Despite the hype about another Earth-like exoplanet, Kepler 452b would not be as habitable as Venus.
Astrobiology Has No Bio
December 17, 2014
When you take the "bio" out of astrobiology, what do you get? Is it still a science?
Astrobiology Hopes Diminish
December 6, 2014
Recent findings both near and far create challenges for beliefs that life is common in the universe.
Mars Radiation Fries Organic Compounds
September 5, 2014
Don't expect the "building blocks of life" to last very long on Mars.
Astrobiology Hopes Dim with Exoplanet Findings
June 3, 2014
Harsh "space weather" around dim red dwarf stars may make planets uninhabitable. "Godzilla Earths" may not fare much better.
Tilt-A-World: Another Constraint on Habitability
January 12, 2012
Did you ever ride a Tilt-A-Whirl, one of those cheap carnival rides that makes you dizzy and sick? Our planet would be like that if its inclination were out of control. Without tilt stability, a new study reveals, we wouldn't be sick, we'd be dead, or never alive in the first place. It's not enough to be in the Habitable Zone. Would-be inhabited planets need to avoid a new problem, called “tilt erosion.”