But also, she says to analyze the piece of wood could take years to determine its age through a process called Carbon 14 Dating.
The recent discovery was sent to a lab for testing.
Best case scenario, it could be traced to the year of the Crucifixion, but we would not know if the wood is from the cross of Jesus.
The team began working on the site in Turkey at the church in 2009.
In addition to the piece of wood found, excavators have also uncovered more than 1,000 skeletons.
The cross Jesus died on is said to have been 12-feet high.