Egypt's Ministry of Antiquities said the discovery should showcase Egypt's "true image" and "power" to the world.
"I'm sad that so many people have become so angry," said Danish photographer Andreas Hvid.
Ministry of Antiquities says several voids inside the pyramid have been known about for many years.
Cosmic rays bombard Earth all the time—here's how scientists used them to explore one of the seven wonders of the world.
The discovery should help scientists work out how the ancient Egyptians built the Great Pyramid.
ScanPyramids team announces discovery of a 100 foot void above the Grand Gallery.
The tomb holding the bodies of workers who built the pyramid was cursed by the cemetery supervisor to try to protect it from thieves.
A joint Czech and Egyptian mission is working at the Abusir Necropolis in Giza.
Mike Coupe was found guilty of embezzlement and could now be arrested if he travels to the country,