UPDATE (07/03): They found it:
Investigators from the Cornell University Police Department have recovered "Sleeping Ariadne," an irreplaceable, 350-pound plaster of Paris sculpture that was taken from Sibley Hall over the June 23-24 weekend. Cornell Police recovered the statue from an off-campus fraternity house about 9 a.m. June 28.
There was slight damage to the statue, which has been moved to a university-owned facility where the extent of the damage and potential repairs can be evaluated.
Cornell Police officials have no further details available at this time, as the investigation is continuing. Anyone with information about the theft of the sculpture is urged to contact Cornell University Police at 607-255-1111.