Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...

Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

Today, as in the beginning, life is still made out of carbon dioxide, and the world’s problems are made out of carbon dioxide as well.” ...