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Changing Stories at Saturn and Titan

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

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

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

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

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!

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.
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