In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that ...

New research shows how surface material and temperature change how long viruses survive and whether they can still spread.

Lurking among them is a “giant” virus, a genetic behemoth that blurs the line between the living and the inanimate. When this ...

Scientists estimate that the earliest biological entities began to appear on Earth more than 4 billion years ago. "There was a sort of primordial soup from which certain organic molecules were formed.