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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Two planets, the left one with pinkish hues, connected by a jagged line like a heart rate monitor to the right planet, earth. A ...

Welcome to the early solar system. Just after the planets formed more than 4.5 billion years ago, our cosmic neighborhood was a chaotic place. Waves of comets, asteroids and even proto-planets ...

The 6,000-year claim faces evidence from several places that have little to do with one another. What those independent ...