"... a pivotal event in our planet's history." This is an Inside Science story. Earth's first continents may have emerged from the oceans roughly 750 million years ...
Microscopic zircon crystals discovered in Western Australia suggest that Earth may have had continental crust as early as 4.4 ...
Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features associated with continental crust. However, a recent study published in ...
Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Madison has ...
"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 ...