For the first time, clumps of human cells called organoids were fully integrated with the brains of rats—and influenced their behavior.

Juvenile-adolescent rats often engage in rough-and-tumble play, during which they emit characteristic ultrasonic vocalizations. These vocalizations, typically in the 50 kHz frequency range, are ...

When ecologist Jason Munshi-South started studying rodents in New York City, more than a decade ago, he was mainly interested in native animals— specifically white-footed mice. He’d visit the city’s ...

In a new study Indiana University researchers observed episodic memory in rats to a degree never documented before, ...

Urban rats spread a deadly bacteria as they migrate within cities that can be the source of a potentially life-threatening disease in humans, according to a six-year study that also discovered a novel ...

Rats can’t vomit. This may be a function of their anatomy—their stomachs are “not well structured for moving contents towards the esophagus” is how one study delicately put it—or it may have something ...

Kelly Lambert does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

This narrative illustration visualizes the discovery of how oxytocin-mediated neural circuits in the hypothalamus promote social bonding through playful interactions. A traditional Japanese landscape ...