People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

It is the oldest and most substantial standalone volcanic mountain in East Africa, along the border between Uganda and Kenya. As one of the largest intact calderas globally, the Volcano is a ...

Yellowstone National Park, known for erupting geysers like Old Faithful, is home to one of earth’s largest volcanic systems, with the capacity to wreak havoc on an entire continent — and ...