Biologists have discovered the largest bacterium ever found, with a single cell measuring a mammoth 2 cm (0.8 in) long. Visible to the naked eye, this new species has some bizarre characteristics that ...

We usually think of bacteria as organisms so small they can be seen only through a microscope. But scientists discovered a giant white bacterium lurking on rotting leaves in the brackish waters of a ...

Scientists have discovered the world's largest known bacteria, reaching up to one centimetre (0.4-inches) in length. The species, called Thiomargarita magnifica, was discovered on sunken leaves in the ...