"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.
How Rocks Can Look Older Than They Are
April 8, 2015
Researchers find that the most common dating method can produce "spuriously old" dates.
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.
Uranium-Lead Dating Fraught With Discordance
January 8, 2013
Behind the confidence of uranium-lead dates hides worry about numbers that don't match up.