Water Worlds Tempt with Life, Not Youth
March 13, 2015
More and more planets and moons are suspected of having liquid water, but what should be the logical implications?
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.
Comet Lander Working, But Not Optimal
November 13, 2014
Rosetta's Philae lander hopped twice before landing in the shade in a tilted position, but the instruments are working.
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.
Lunar Impact: Major Moon Basin Was Not a Big Hit
October 8, 2014
The theory of how the largest impact basin on the moon was formed has been turned upside down.
Moon Still Has Hot Core
August 23, 2014
Japanese scientists have determined that a soft, hot core remains in the center of the moon, contrary to expectations.
Enceladus Geysers Still Unexplained
July 31, 2014
The number of geysers has topped a hundred on Saturn's overactive moon. How could they be sustained for billions of years?
Lunar Tunes: Do Impacts Ring a Bell?
June 12, 2014
By looking at current dust and craters, cosmologists think they can hear the echoes of an impact that created the moon. Is that lunar, or looney?
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.
Moon's Origin and Age Solved?
April 9, 2014
A number of popular articles are claiming the moon's age is all but solved, until one reads below the headlines.
Water Theories Dry Up
April 2, 2014
Theories for how Earth got its water are parched for evidence, except for the tears of secular astronomers.
Record Impact on Moon Ups Cratering Rate Estimates
March 2, 2014
The brilliant flash lasted 8 seconds on 9/11 – 2013, that is – the brightest impact ever witnessed on the moon.
Relive the Apollo 8 Earthrise
December 24, 2013
45 years after Apollo 8's historic first, everyone can experience what it was like to see the "blue marble" rise above the limb of the moon.
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?