Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used machine learning to scan ancient meteorites and fossils ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.

New research from Japan's iron-rich hot springs shows how early microbes may have harnessed iron and oxygen during the Great Oxygenation Event. When you purchase through links on our site, we may earn ...

Far below the reach of sunlight, in water cold enough to freeze most life in its tracks, scientists have found oxygen being ...

Beginning two billion years of Earth’s history, the amount of oxygen was not sufficient, but rich in carbon dioxide and ...