A lot of people mix the two up, but they’re actually quite different, and knowing which one you’re dealing with can make a ...

Rats and mice, common urban pests, differ significantly in size, behavior, and nesting habits, impacting control strategies.

Growing human organs in other animals is a small step closer to reality. Injecting human stem cells into pig and cattle embryos created embryos that incorporate a small number of human cells, ...

It’s a beautiful tale of graciousness and sacrifice. Hopeless, drug-addled mice, suddenly stricken with diabetes, are offered a cure at the mercy of their all-knowing scientist overlords. Their ...

Mouse pancreases grown in rats generate functional, insulin-producing cells that can reverse diabetes when transplanted into mice with the disease, according to researchers. Rat-grown mouse pancreases ...

A. Schematics for the generation of rats with mouse gametes. Mouse spermatids isolated from the rat testis are injected into unfertilized mouse eggs to produce viable mice. B. Section of rat testis.