Last week’s first article about Jyotisha astrology described experiments validating some of its predictions. Although they ...

A groundbreaking study in the journal Science, has unveiled how deep ocean currents—known as global overturning ...

Archaea are organisms consisting of a single cell without a nucleus and with distinct structural, physiological and evolutionary characteristics. They inhabit a wide range of habitats, including ...

Because they rely on hosts for a majority of functions, viruses aren’t considered alive. But entities like this one complicate matters.

In contrast to bacteria and archaea, eukaryotes may be multicellular. Animals, plants, fungi and many unicellular organisms previously classified as protista are eukaryotes.