Shakespeare's skull is likely missing from his grave, an archaeologist has concluded, confirming rumors which have swirled for years about grave-robbers and adding to the mystery surrounding the Bard's remains. 

Four hundred years after his death and burial at the Church of the Holy Trinity in Stratford-upon-Avon, central England, researchers were allowed to scan the grave of England's greatest playwright with ground-penetrating radar.

But in the area under the church floor where the Bard's skull was expected to be, they found signs of interference.