August 3, 2015
Magnetism is an important force in astronomy, planetary science and life. Here are news items involving magnets and magnetic fields.
Solar System Puzzles Needing Explanation
June 11, 2015
Here are some of the latest observations that are baffling planetary scientists.
Moon, Mercury, and Magnetic Fields
May 8, 2015
After the crash of MESSENGER, magnetic fields in the solar system have become a key topic for planetary science.
What You're Not Being Told About Earth's Magnetic Field
April 17, 2015
The simple story for the public: a dynamo creates the earth's magnetic field. The real story: complex scenario needed to start it and keep it running.
Messages from Mercury
April 6, 2015
With MESSENGER in its final days before impact, the innermost planet has become a familiar place.
Solar System Reversals
February 9, 2015
The planets keep going around, but theories about them often stop and go backward or sideways. When nothing else works, send in the impactors!
Full Moon Has Magnetic Secret
December 5, 2014
Ponder this under tonight's full moon. Scientists now say the moon once had a magnetic field stronger than Earth's is now.
Mercury, Moon May Still Be Erupting
October 17, 2014
Two objects that should be old and dead show surprising activity. Other indications of youthfulness in the solar system are noted.
Of Planets and People
September 29, 2014
Here's a quick tour of the planets to see what's newsworthy.
Planets Don't Fit Evolutionary Models
September 8, 2014
Secular planetary scientists are surprised by almost every object they observe in the solar system. Their models cannot reproduce our system of planets.
Every Planet Surprises Secular Astronomers, I: Inner Planets
May 3, 2014
"Surprise" or "puzzling" are the most common words in news reports about bodies in the solar system. Here are recent examples that discuss the inner planets.
The Spin on Planets
February 18, 2014
As the orbs whirl around Sol, human understanding of our space neighborhood rises and falls.
Cassini Shoots "Blue Dot" of Earth
July 24, 2013
Another epic photo of Earth from space was taken on July 19 of Earth from Saturn by Cassini, and released on July 22. From Mercury, the MESSENGER spacecraft also portrayed Earth as a small dot.
Extrasolar Planets: Bigger and More Mortal
June 10, 2013
Many of the stars and planets found by the Kepler spacecraft are not earthlike. Also, astronomers have seen planets destroyed by their stars.
Titan and Mercury: Challenges to Billions of Years
January 18, 2013
News from Titan and Mercury continue to challenge current theories that they formed billions of years ago.