Around 700 million years ago, the animal kingdom began to branch off from single-celled organisms. Now, scientists have uncovered molecular tools that could have assisted the leap — and ...

Relatives of the llama are dropping dung as they venture into higher elevations in the Andes Mountains, providing a ...

Over 100,000 annual cases of illness in Germany are likely the result of microorganisms in food, such as bacteria, viruses, ...

Experiments on microorganisms, animals, and even humans revealed all sorts of beneficial effects of sunlight, many of which are still recognized and appreciated, such as enhanced immune function, ...