Sri Lanka, formerly Ceylon, island country lying in the Indian Ocean and separated from peninsular India by the Palk Strait. It is located between latitudes 5°55′ and 9°51′ N and longitudes 79°41′ and ...

A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils. While reading this article may not turn you into a geologist, it should give you the basic ...

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...