According to the calculations run by Ozaki and Reinhard, the oxygen-rich habitable history of Earth could end up lasting for ...

It has puzzled scientists for years whether and how bacteria, that live from dissolved organic matter in marine waters, can ...

A Nobel Prize, of course. Such was the case for Hans Krebs, the biochemist who nabbed the award in 1953 for discovering the citric acid cycle, or “Krebs cycle”—the cellular pathway that converts ...

Earth’s atmosphere is currently rich in oxygen, supporting a vast array of life. However, new research suggests that this ...