Pyramids can help give us an overall picture of a particular food chain. They can represent either numbers of a particular organism or their biomass, which is living tissue. A pyramid of numbers ...

But Herodotus visited the pyramids 2,700 years after they were built and his impressive figure was an educated guess, based on hearsay. Modern Egyptologists believe the real number is closer to ...

Scientists have discovered a "vast underground city" running beneath the famed Egyptian pyramids in Giza. Using radar equipment, they created high-resolution photos of thousands of feet below the surf ...