Imagine an object so terrifying that its mere sound could make your blood run cold. Scientists say that's exactly what an ...

“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash ...

Archaeologists unearthed the first Aztec death whistles, also known as ehecachichtlis, in 1999 while excavating the ...

Archaeologists have excavated more sections of an extraordinary Aztec tower of human skulls under the centre of Mexico City. Mexico's National Institute of Anthropology and History (INAH ...

In digging up ancient Aztec graves dating from the years 1250 to 1521 AD, archaeologists have found many examples of small whistles made of clay and formed into the shape of a skull. These ...