The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as early as ...

Microbial life on Earth still holds surprises. A recent study overturns our certainties about the emergence of oxygen respiration, revealing an adaptation much earlier than previously estimated. This ...

For years, scientists have been trying to emulate photosynthesis, the process by which plants, algae, and some bacteria harness light from the sun to chemically transform water and carbon dioxide into ...