Long before the Great Lakes came to define the heart of North America, a much larger lake once ruled the land. Lake Agassiz, a prehistoric inland sea, spread across the continent with a reach that ...

The story of Earth’s formation is one of the most fascinating chapters in the history of our solar system. From a swirling mass of dust and gas to the thriving, life-sustaining planet we call home, ...

Researchers have found that ocean acidification entered a "danger zone" in 2020, suggesting increased carbon dioxide levels have caused Earth to breach another planetary boundary.