Rearranging Deck Chairs on Sinking Planet Theories
April 27, 2016
Supernovas come in handy as theory rescue devices.
Solar System Is Weird Only if It Is Old
March 14, 2016
To someone who believes the solar system is billions of years old, no wonder its contents look weird.
More Indications Earth Is Unique
February 25, 2016
The late Carl Sagan might be stunned to see today's astronomers questioning Earth's "humdrum" status.
Are Paleomagnetic Measurements Reliable?
February 19, 2016
Dating of past geophysical history depends on magnetic measurements that may be in error.
Earth's Geodynamo: An Energy Crisis
January 25, 2016
A new theory to maintain Earth's magnetic field looks like a case of special pleading to rescue a dogma.
Stuff Geologists Think They Know Till Tomorrow
December 22, 2015
The science of geology is like quicksand, ever shifting and not rock solid.
New Thoughts on Habitable Planets
October 9, 2015
Astrobiologists are trying to standardize the requirements for habitable planets. Do they get them all?
August 3, 2015
Magnetism is an important force in astronomy, planetary science and life. Here are news items involving magnets and magnetic fields.
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.
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.
November 19, 2014
We need to clear the deck of geology news. Here's a garage sale of interesting headlines, provided "as is" for researchers to pursue further.
Earth as a Habitable Planet
September 29, 2014
When viewed as a planet among planets, Earth is surprisingly surprising, considering how close it is to scientists' investigating eyes.
Of Planets and People
September 29, 2014
Here's a quick tour of the planets to see what's newsworthy.
Sun Attacks, but Earth Fights Back
March 8, 2014
Geophysicists have found that the Earth fights deadly solar radiation with a plasma punch.