In 2010, a small team of independent Russian researchers carried out a covert robotic mission inside the Great Pyramid—one that was never authorized, never publicized, and almost never discussed.

Gregg Landry, an engineer from the Boston firm of iRobot, places a robot inside the shaft of the Great Pyramid in Cairo, Egypt, on Friday. CAIRO, Egypt -- A robot the size and shape of a child's toy ...

For decades, the secret void inside the Great Pyramid has been one of history’s greatest mysteries — a 30–40 meter space ...

CAIRO, Egypt - A robot the size and shape of a child's toy train is exploring one of the enduring questions of Egypt's Great Pyramid: What lies at the end of a shaft first discovered by explorers in ...

CAIRO, Egypt -- A robot the size and shape of a child's toy train is exploring one of the enduring questions of Egypt's Great Pyramid: What lies at the end of a shaft first discovered by explorers in ...