Mars Lost Its Water Rapidly
November 20, 2020
A new mechanism for desiccation on Mars could have dried up an ocean much faster than previously thought.
The Moon Kills Visitors
January 16, 2019
China's experiment to grow plants on the moon failed in one day.
Exoplanets Are Young, Too
December 22, 2018
Observations cause a major upset in planet formation theory, and the time needed for evolution.
Spacecraft Launches to Sun, Still a Mystery
August 13, 2018
A spacecraft just took off on a mission to the sun, but not to worry; it went at night.
Facing Reality About Life on Other Planets: Geophysics
September 5, 2017
by Dr Henry Richter This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe. My discussion moved from our position in the galaxy, our position in the solar system, and then focused on the earth, looking at the influence of our moon, our […]
Moon Bombarded by Crashing Theories
January 10, 2017
Strange things happen on our nearest neighbor. Stranger things happen in the heads of theorists trying to figure out our nearest neighbor.
Underground Oceans Can't Last Forever
June 29, 2016
If Pluto and Enceladus have oceans under the crust, why are they still liquid after billions of years?
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.
First Pluto Papers Published
March 19, 2016
Planetary scientists have published their first official findings about the 9th planet (or dwarf planet), Pluto.
Tiny Enceladus Beats Saturn in Plasma Output
February 17, 2016
An astonishing case of the tail wagging the dog: tiny moon is major source of plasma in Saturn's magnetosphere.
Cassini Plunges Through Enceladus Geyser, and Other Saturn News
October 29, 2015
Yesterday's daring plunge through a plume of an Enceladus geyser is the highlight of recent Saturn news.
Ski Pluto: Glaciers Are Flowing
July 28, 2015
Planetary scientists are dumbfounded by more evidence of youth at Pluto, both on the surface and in the atmosphere.
Astrobiology Hopes Diminish
December 6, 2014
Recent findings both near and far create challenges for beliefs that life is common in the universe.
Sun Attacks, but Earth Fights Back
March 8, 2014
Geophysicists have found that the Earth fights deadly solar radiation with a plasma punch.
Lunar Dust Problem Re-opened
November 21, 2013
Long-lost Apollo data on lunar dust accumulation has been found, showing a tenfold increase over previous estimates. What does that imply about the age of the moon?