Craters: Seeing Fake Patterns
March 18, 2017
Biologists build on models from geologists who build on models from planetologists. But what if the bottom model is false?
Moon Bombarded by Crashing Theories
January 10, 2017
Strange things happen on our nearest neighbor. Stranger things happen in the heads of theorists trying to figure out our nearest neighbor.
Chicxulub Crater Reports Begin
November 19, 2016
Scientists who drilled into the large crater in southern Mexico have started interpreting the cores.
Trending: Moons With Oceans
October 14, 2016
Europa has one. Enceladus has one. Titan might have one. Now, it seems every moon wants an ocean under its crust.
Dawn of a Young Ceres
September 10, 2016
The largest asteroid has a problem: she's too young to get a date.
First Pluto Papers Published
March 19, 2016
Planetary scientists have published their first official findings about the 9th planet (or dwarf planet), Pluto.
Surprising Youth in the Solar System
January 26, 2016
Four solar system objects in the news look young, not billions of years old.
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.
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.
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?
Venus: 80% of Its History Is Missing
January 2, 2014
In spite of being called Earth's twin, Venus is vastly different. Scientists are struggling to fit its young surface to 4.5 billion years.
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.
Evolutionary Origin-of-Life Speculations Contradict Each Other
November 9, 2013
Good scientific approaches should converge on the truth. In secular origin-of-life studies, theories run off in all directions, often crashing into one another.
Scientists Dodge Youthfulness of Saturn Moon Titan
August 17, 2013
Like Enceladus, Saturn's moon Titan shows multiple signs of being far less than 4.5 billion years old – yet the press releases are strangely silent about the implications.
Titan Is as Titan Does
December 23, 2012
Saturn's giant moon Titan keeps revealing mysterious dynamics in the here and now, leaving interpretation to fallible scientists who sometimes predicted otherwise.
Crater Count Dating Still Unreliable
May 22, 2012
Worries about the crater count dating method, widely relied upon to infer ages of planetary surfaces, began emerging in 2005. Those worries have not subsided; they have only grown worse. Crater numbers may have nothing to do with age.
Mercury Messenger: Surprise!
September 30, 2011
As boring as the moon? Just a burned-out cinder? Not Mercury. True to tradition for planetary exploration, the MESSENGER spacecraft has served up a plate of surprises about the innermost planet. In orbit since March, the ship is sending theorists back to the drawing board to figure out a number of puzzling phenomena, some unique to Mercury. Commentators fall into two categories: those that are flabbergasted, and those who say all is well.