A one-of-a-kind ecosystem lies above the bauxite Alcoa says it needs for its future. The company’s request to expand mining in Australia is drawing objections from scientists and the land’s original ...

With a volume of over 60 million square meters, the Mukaab in Saudi Arabia could be the largest building in the world if completed.

Earth's population is currently just over 8 billion and is expected to keep growing, with mega-cities continuing to pop up ...

A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice ...

Beyond their record-breaking size, these world's largest islands offer a reminder that "island life" isn't always about beach ...