High-resolution isotope data show that a modern-like, oxygen-rich atmosphere was not established until 410 million years ago, supporting a 2-billion-year transitional oxygenation of Earth’s surface.

Human activity is changing the way water flows between the Earth and atmosphere in complex ways and with likely long-lasting consequences that are hard to picture. Researchers enlisted water ...

An artist generated image illustrating possible futures in policy and research due to human modifications of the atmospheric water cycle. Human activity is changing the way water flows between the ...