Mars Is Losing Its Atmosphere Fast
July 20, 2018
Measurements of Martian atmospheric loss rates imply incredible changes over the assumed billions of years of Mars' history.
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Why Milankovitch Cycle Theory Is Like Astrology
June 22, 2018
Sometimes a hunch proves to be unworkable. The Milankovitch Cycle theory has too many complications. It’s time to give it up. In the 1920s, Milutin Milankovitch, a Serbian astronomer, mathematician and popularizer of science, had a bright idea. Knowing that certain orbital cycles drift over time, he wondered if they could influence the earth’s climate. […]
Bugs Ride on the Wings of the Wind
June 19, 2018
Small animals can take advantage of wind to go long distances in remarkable ways.
Climate Science Underestimates Natural Sources of Warming
June 18, 2018
Scientists discover two more potent sources of greenhouse gases, both of which have nothing to do with human activity.
Van Allen Belts Protect Earth from Solar Wind
June 11, 2018
Geophysicists are still puzzling over how the earth's magnetic field and Van Allen radiation belts protect the surface from deadly particles in the solar wind.
Our Solar System Appears Odd to Astronomers *
January 29, 2018
Our solar system is an oddball, conclude astronomers who looked at hundreds of planetary systems around other stars. *Audio version available.
Lightning Can Produce Carbon-14
November 29, 2017
In a surprise announcement, Japanese researchers found that lightning bolts can be powerful enough to cause nuclear fission, leading to new isotopes— including carbon-14.
Facing Reality About Life on Other Planets: Moon, Atmosphere, and Mass
August 29, 2017
This is part 3 of Dr Henry Richter's discussion on the requirements for life to exist on a planet elsewhere in the universe.
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.
Life Helps Protect the Planet
July 1, 2017
When humans make a mess of things, our fellow organisms try to help. That's no excuse for our failures to be good stewards.
Juno Finds a ‘Whole New Jupiter’
June 29, 2017
Paradigms are collapsing as the Juno spacecraft gets a good look at the giant planet's poles for
More Reasons to Doubt Consensus
June 17, 2017
Recent scientific papers cast doubt on the ability of researchers to understand systems as complex as climate.
Doubts About Climate Consensus
May 16, 2017
Several papers make it hard to believe that humans are to blame for climate change, or that scientists even know what is going on.
What You Are Not Being Told About Earth's Magnetic Field
January 23, 2017
All you need to know is right here: (1) scientists don't understand it, and (2) without it we would be dead. Read more if you dare.
Activity on Planets Suggests Youth
November 11, 2016
Can these processes really have gone on for billions of years?