Scientists have identified two enormous mountains hidden deep beneath the Earth’s surface, each standing an extraordinary 620 miles (1,000 kilometers) tall—more than 100 times taller than Mount ...

Mount Everest attracts tens of thousands of visitors every year, bringing welcome cash flow to locals along trekking routes. However, the tourism industry is changing, disrupting opportunities for ...

The Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted three times into Friday, sending an ash column 8,000 meters (26,000 feet) high and prompting authorities to expand the ...