Diamonds From Ancient Rock Formations Hold Clues To Primeval Earth Geoscientists have long been debating about the right period that plate tectonics began to operate on Earth. Three diamonds unearthed in Johannesburg during the 19th century may finally help shed light on the matter. by Alyssa Navarro
Science Early Earth may not have been molten hell, but a place of solid crust and liquid water by Rebecca Kaplan
Science Early Earth was bombarded by massive space rocks and oceans 'boiled away into steam' by James Maynard