For much of modern geological history, the number of continents seemed fixed and unquestioned. Yet a mostly submerged landmass in the South Pacific has disrupted that familiar picture. Zealandia, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Scientists know that the world’s continents emerged during the Archean eon, which stretched from about 4 ...

Far beneath the waves of the southwest Pacific, scientists have finished charting a landmass so large and so coherent that it now stands beside Africa, Asia and the rest as a full-fledged continent.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The impressive escarpments that line the coasts of continents speak to a geologic ...