Google Earth UFO: 
UFO Photographed On the Nellis U.S. Air Force Base 
Bombing Range Near Area 51, Nevada, 2 December 2006

This Google Earth image was taken by the NASA Ikonos Satellite.

No one has yet been able to explain what the image shows.

UFOs Northwest report:
“Strange Object Shows Up on Google Earth Photo”:

http://www.ufosnw.com/sighting_reports/2006/area5112022006/area5112022006.htm

You'll find the Area 51 object at these coordinates:

37°11'55.70"N 116°3'20.00"W