You might think you know all of Earth’s continents, but there’s one that has remained hidden for millions of years. Zealandia, a massive landmass mostly submerged beneath the southwest Pacific Ocean, ...

Across the planet, water makes up 71% of Earth’s surface. The remaining space is covered by land — continents and islands. Before Earth’s land formed the seven continents in the present day, all the ...

Timeline of world civilizations -- Across oceans before Columbus. Prologue: Life at sea ; A land bridge too far ; Along the Silk Road ; Plants between continents ; European seafaring, 100,000 B.C. ; ...