Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff ...

As the climate warms, scientists expect animals and plants to move to cooler areas—uphill, toward the poles, or into deeper waters. But in a surprising twist, scientists have found that over a third ...

Photosystem II (PSII) is the only biological machine capable of splitting water into oxygen using sunlight. It plays a ...