A team of scientists from the University of Zurich, Switzerland, has created 3D reconstructions of several Aztec skull ...

Whistles shaped like skulls were used to create the sound of screams by the Aztecs.

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

During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human ...

The mysterious Aztec "death whistles" have fascinated researchers with their eerie, terrifying effect they have on the ...

Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the ...

For instance, some experts believe the death whistles were intended to mimic the razor-sharp winds of Mictlan, the Aztec underworld to which sacrificial tributes were believed to descend.

A species thought to be missing from the scientific record for decades was actually hidden in photos of another sea creature. Matt Hardy via Unsplash As millions of species roam the planet, there ...

In the deep sea off the coast of Chile, a wiggly creature glitters as it speeds across the seafloor. Matt Hardy via Unsplash Deep below the surface of the ocean, light disappears and colors lose ...

Scientists found a “crocodile”-like creature with orange fingertips at a mountain farm in Vietnam and discovered a new species. Photo from Son Xuan Le via Poyarkov, Nguyen, Le, Le, Arkhipov ...

During periods of extreme drought and famine, the Aztecs sacrificed children to the god of rain. Mexico National Institute of Anthropology and History When cultures were still developing ...

Music producer and audio engineer Stephen Kane lives in Huntsville, Alabama, and has a large collection of "unusual instruments," including an Aztec Death Whistle. First discovered during an ...