The vast Pacific Ocean is home to countless islands and mysteries, but what if it once contained a full continent? Imagining ...

Recent scientific discoveries suggest the existence of a submerged continent beneath the Indian Ocean. This lost landmass, ...

In a new study, the team finished mapping the final piece of the continent, the northeast corner. Combined with their data from years of research, they've mapped the continent's surface features ...

North America rocks. That’s what a new three-part series from "NOVA" shows as it explores the rich history of the continent — from glaciers in Alaska to volcanoes in Hawaii to the crystal ...

Sites and artifacts are revealing clues to the continent’s recent history. An archaeologist explains the findings and threats ...

In the great sweep of history, he concludes, the Native tribes controlled the continent for millenniums.