Add Yahoo as a preferred source to see more of our stories on Google. A microscopic animal has come back to life and successfully reproduced after being frozen for 24,000 years, according to a study ...

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 ...

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 ...