New evidence from rocks, molecules and machine learning is forcing scientists to redraw the opening chapters of Earth’s story, pushing the first stirrings of biology far closer to the planet’s violent ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

Scientists have discovered fossils showing that complex animals existed millions of years before the Cambrian explosion, reshaping the timeline of life on Earth. The finds reveal a strange, diverse ...