YELLOWSTONE volcano could one day wipe out large swathes of the US, and blanket the country in a sea of thick volcanic ash, scientists have gravely warned ahead of eruption.
Yellowstone volcano eruption DEATH ZONE: Millions stranded as volcano wipes out US
YELLOWSTONE volcano could one day wipe out large swathes of the US, and blanket the country in a sea of thick volcanic ash, scientists have gravely warned ahead of eruption.