A new kind of microscope is giving scientists a way to watch life inside cells with a clarity that feels almost unfair.

The fascinating world of bacteria that live as symbionts or parasites in animal hosts often remains a mystery to researchers. A research team has made a breakthrough that provides insights into this ...

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 ...

Marine microbes control the flux of matter and energy essential for life in the oceans. Among them, the bacterial group SAR11 accounts for about a third of all the bacteria found in surface ocean ...

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 ...

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 ...