First Animals May Have Appeared 200 Million Years Earlier than Their Oldest Fossils Suggest
The oldest undisputed animal fossils, from the Ediacaran biota, are about 574 million years old, but chemical traces…
Scientists find evidence for an ancient supercontinent that covered 80 percent of Earth’s surface
A new global isotopic map has revealed vast fragments of ancient Gondwanan crust buried beneath younger mountain belts…
Earth’s Earliest Animals May Have Thrived Too Easily to Evolve
Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest…
A Giant Magnetic Anomaly Over 500 Million Years Ago Can Finally Be Explained
Magnetic signatures hidden inside rocks tell us a lot about Earth’s magnetic field and the way continents and…