For me it doesn’t cause doubts because there are other reasonable arguments for god’s existence, like the evidence of objective moral truth or the evidence for intelligent design.
What I discovered was there are some key assumptions hidden in this research which makes some of the dates a little less concrete (pun intended) than you may be led to believe.
The key is to measure an isotope that has had time to decay a measurable amount, but not so much as to only leave a trace remaining.
Given isotopes are useful for dating over a range from a fraction of their half life to about four or five times their half life.
(For a brief science review, see sidebar and figure 1.) The timepiece that allows dating is the “radioactive” decay of certain kinds of atoms from one form into another.
Radioactive decay results from unstable combinations of protons and neutrons in the atom’s nucleus.