The nature of Earth’s earliest crust and crustal processes remains enigmatic due to the almost complete lack of a rock record older than 4 billion years...
Paleontologists have discovered the exceptionally well-preserved, 3.42-billion-year-old filamentous microfossils in a paleo-subseafloor hydrothermal vein...
A huge asteroid, up to five times larger than the rock thought to have wiped out the dinosaurs, crashed into Earth more than 3 billion years ago, say researchers...
