Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

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 ...

This video examines a moment in Earth’s history when environmental change occurred far faster than expected. Geological and ...

Australia’s ancient rocks are acting like natural clocks, revealing how landscapes changed over billions of years through ...