Earth’s oxygen-rich atmosphere, the very thing that allows complex life to exist, may not last forever. Coupled biogeochemistry and climate simulations estimate that the planet’s breathable air could ...

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 ...

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 ...

As the Sun slowly grows brighter over billions of years, our planet will eventually become uninhabitable and may one day be consumed.

Dive into the most dramatic events in Earth’s 4.5-billion-year history, from its birth to the emergence of humanity. How did a hellscape of molten lava transform into a lush, green, watery planet ...