A deformed skull found in a Mexican mine tunnel has sparked decades of debate between those who see evidence of an alien-human hybrid and scientists pointing to known medical conditions.
A deformed skull found in a Mexican mine tunnel has sparked decades of debate between those who see evidence of an alien-human hybrid and scientists pointing to known medical conditions.
A skull found in a Mexican mine 90 years ago has features that no single known medical condition can fully explain. Doctors and scientists have studied this misshapen skull for decades, but no one can agree on what it actually is.