Moon Origin Models Require Cheating
June 1, 2015
You can't get Earth's moon from a planetary collision without quasi-miraculous tweaks to the models.
It's Curtains for Enceladus
May 11, 2015
The geysers of Saturn's little moon are like sheets instead of jets, spelling trouble for theories of its ancient age and possible life.
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.
Active Moon Triton Revisited
August 25, 2014
25 years ago today, Voyager 2 flew by Triton, a moon of Neptune, astonishing scientists with its active geology.
Saturn's F-Ring Has Quieted Down
August 4, 2014
Comparing measurements over 25 years, planetary scientists have noted a drop in bright clumps in Saturn's tenuous F-ring.
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?
Keeping Titan Old
June 21, 2014
As the Cassini orbiter makes its 103rd close pass by Titan, have long-agers found ways to keep it billions of years old?
Every Planet Surprises Secular Astronomers, II: Outer 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 outer planets.
Enceladus Ocean Means Dating Trouble, Not Life
April 5, 2014
News media are jumping over an announcement that Saturn's moon Enceladus may have a large body of water under its icy crust, but what does it mean?
The Spin on Planets
February 18, 2014
As the orbs whirl around Sol, human understanding of our space neighborhood rises and falls.
Changing Stories at Saturn and Titan
December 21, 2013
News from the ringed planet and its largest moon shows scientists can't keep their stories straight when trying to keep Saturn billions of years old.
Europa Joins the Geyser Club
December 12, 2013
Hints of watery plumes have been detected on Europa – like Enceladus, at its south pole, too.
Space Diamonds May Be Closer to Home
October 13, 2013
While casting doubt on stars made of diamond, other news reports are saying the precious jewels may inhabit the gas giants of our solar system.