Australia is not only the smallest continent but also Earth's largest island. But the land Down Under wasn't always so isolated; it was once part of a bigger supercontinent. So when did Australia ...

DigitalGlobe, Inc. (NYSE: DGI), the global leader in earth imagery and information about our changing planet, today announced the completion of the first phase of a continent-scale mapping initiative ...

Scientists will soon venture to the world's hidden eighth continent, the sunken land of Zealandia. The lost continent, which is mostly submerged, with all of New Zealand and a few islands peeking out ...