Pseudomonas aeruginosa (small rod-shaped bacteria) swarms toward and around a neighboring Cryptococcus neoformans (round yeast) colony. The thin fluid halo surrounding the yeast enables the bacteria ...

In what they labeled a "surprising" finding, Johns Hopkins Medicine researchers studying bacteria from freshwater lakes and soil say they have determined a protein's essential role in maintaining the ...

Viruses attack nearly every living organism on Earth. To do so, they rely on highly specialized proteins that recognize and bind to receptors on the surface of target cells, a molecular arms race that ...

The original version of this story appeared in Quanta Magazine. Prochlorococcus bacteria are so small that you’d have to line up around a thousand of them to match the thickness of a human thumbnail.

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...

What if fog isn't just misty air, but a living ecosystem? This question hung over cloud researcher Thi Thuong Thuong Cao. As ...