What ultimately formed Mt. Everest, about 60 million years ago, was the rapid movement of India northward toward the continent of EuroAsia; Click here for a present-day map of the Indian subcontinent.

A new study says Mount Everest is about 15 to 50m taller than ... two other rivers to become the Kosi which then enters northern India to meet the Ganges. It is a very high silt-yielding river ...