Much about tiny, swimming rotifers makes them ideal study subjects. Although barely visible to the naked eye, these transparent animals and their innards are readily viewed under a microscope. What’s ...

A female Brachionus manjavacas rotifer, as magnified under a microscope. This rotifer is 350 µm long; about the size of a grain of sand. The hair-like cilia at the top of the individual are used for ...

A lot has changed on Earth in just the last few decades, but for a recently revived microscopic creature, it has tens of thousands of years to catch up on. In a new study published this week in the ...

That’s one pretty mouth. A self-taught Panamanian microscopist took first place overall for his striking image of a minuscule animal’s heart-shaped kisser. Rogelio Moreno won the top prize for the ...

Bdelloid rotifers are multicellular animals so small you need a microscope to see them. Despite their size, they're known for being tough, capable of surviving through drying, freezing, starvation, ...