"Fundamental Assumption" in Zircon Dating Called into Question
February 15, 2016
A commonly-used dating method has been threatened by new findings that undermine assumptions.
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The Trouble with Zircons
March 25, 2013
Geologists' favorite tool for dating rocks at millions and billions of years old has revealed problems with interpretation.
Planetary Radiometric Dates 1/3 Younger
May 1, 2012
The half-lives of radioactive isotopes may not be as well-known as thought. One decay rate frequently used to date solar system objects had to be adjusted down to 66% of its former assumed value, impacting theories of planet formation.