ScanPyramids announced a large void above the Great Pyramid's north face in 2017 after non-invasive muon imaging. The “Big Void” was estimated to be at least 30 metres long. Later infrared endoscopy, muon radiography and photogrammetry corroborated a roughly 9-metre-long corridor higher on the north face, confirming the corridor rather than the full extent of the larger void. Egypt's antiquities authorities required proper research and publication protocols and threatened action after the team announced results prematurely. A researcher has said non-disclosure agreements constrained disclosure, while mining and water exploration remain potential applications.
ScanPyramids confirmed a 9-metre corridor; the larger Big Void was not fully confirmed
EgyptSurvey
Key facts
- In 2017, ScanPyramids announced a large void above the Great Pyramid's north face using muon radiography. Its estimated length was at least about 30 metres.
- Infrared endoscopy, muon radiography and photogrammetry later examined and corroborated a roughly 9-metre-long corridor higher on the north face. The 2025 confirmation concerns this corridor, not the full extent of the Big Void.
- Egyptian authorities required agreed access, publication and academic-review procedures and threatened action after ScanPyramids announced findings prematurely.
- One researcher attributed limited disclosure to non-disclosure agreements; the available results do not independently establish the scope of those restrictions.
- Muography has potential applications in subsurface imaging, including mining and water-resource exploration, rather than documented interest from specific companies.
Sources
Mysterious 'Air-Filled Voids' Found in Egyptian Pyramid Hint at Lost ...news.artnet.com
Mysterious 'Air-Filled Voids' Found in Egyptian Pyramid Hint at Lost Entrance. The gaps were discovered using three non-invasive technologies.
Muons unveiled new details about a void in Egypt's Great Pyramidsciencenews.org
The new muon measurements indicate that the void is a 9-meter-long corridor about 2 meters wide by 2 meters tall, close to the pyramid's north face.
ScanPyramids - Wikipediaen.wikipedia.org
This project aims at scanning Old Kingdom Egyptian Pyramids (Khufu, Khafre, the Bent and the Red) to detect the presence of unknown internal voids and ...
Discovery of a big void in Khufu's Pyramid by observation of cosmic ...pubmed.ncbi.nlm.nih.gov
The void, named ScanPyramids' Big Void, was first observed with nuclear emulsion films installed in the Queen's chamber, then confirmed with ...
Scientists confirm there's a mysterious “void” in the Great Pyramidarstechnica.com
An international research team has identified what appears to be a large empty space or void above the pyramid's famed "Grand Gallery."
Mysterious Void Discovered in Egypt's Great Pyramidnationalgeographic.com
Launched in October 2015, the project aims to non-invasively peer into Egypt's largest pyramids using a battery of technologies. Previously, ...
Confirmation of the ScanPyramids North Face Corridor in ...nature.com
by T Schumacher · 2025 · Cited by 19 — In this article, novel multimodal IF results from three different NDT techniques collected at the Chevron located on the Great Pyramid of Giza ( ...
Bombshell Great Pyramid of Giza Study Retractednewsweek.com
A scientific journal has retracted a study that claimed satellite radar could reveal hidden structures inside the Great Pyramid of Giza, ...
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