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 ...

Bacteria are the most diverse organisms on Earth, with a number of species that’s difficult to quantify. They’re also incredibly old. Bacteria consist of a single cell. They do not have bones and are ...

A new analysis of zircon crystals from the Stac Fada Member in northwest Scotland has revealed a billion-year-old meteorite impact event that may have reshaped the trajectory of life on Earth. The ...