Deep within Mexico’s archaeological treasures lies a haunting instrument whose true psychological impact is only now being ...

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

Kenna and Stephanie learn to play an Aztec "death whistle" before battling giant "Red Monsters" discovered by the James Webb ...

But in the forests of central Mexico, a single note from an Aztec whistle didn’t always indicate celebration — it meant death ...