Small Planetary Bodies Unexpectedly Active
March 27, 2017
You would think things would have cooled down after 4.5 billion years. That's not what planetary scientists are observing.
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Activity on Planets Suggests Youth
November 11, 2016
Can these processes really have gone on for billions of years?
Rosetta Mission Crashes Into Comet Theories
October 3, 2016
The historic Rosetta mission has ended with a crash landing. How has it changed ideas about comets?
How Long Can Comets Bust Up and Re-form?
June 17, 2016
If comets repeatedly break up and re-coagulate, how long could that recur?
Surprising Youth in the Solar System
January 26, 2016
Four solar system objects in the news look young, not billions of years old.
Inventing Stars, Solar Systems and Universes
October 31, 2015
Always look into the methods used when scientists speak confidently about models for making things appear out of nowhere.
Entropy in Space Seen at All Scales
October 22, 2015
Entropy at all scales: clearly seen. Creation of order: not so much.
Seriously, Ceres and Comets Look Surprising
August 5, 2015
Here are surprises found at asteroid Ceres and Comet 67P by spacecraft arriving there this year.
Magnetic News
August 3, 2015
Magnetism is an important force in astronomy, planetary science and life. Here are news items involving magnets and magnetic fields.
Origin of Life for Dummies
August 1, 2015
Readers can decide if these news stories on the origin of life represent smart science or not.
Desperately Seeking Life Beyond Earth
July 7, 2015
Earth life cannot be unique. How about you, Mars? Europa, anything? Enceladus? Comet 67P? Please break the silence!