Members of Congress exploded Thursday over reports that taxpayer money has paid for experiments using “transgender lab rats,” saying it was time to shut down the government’s animal-testing industry.

If you think laughter and comedy are reserved strictly for humans, you’d be wrong. A study in the late 1990s showed that creatures like rats emit ultrasonic vocalizations while playing with or ...

At first glance, it sounds like something straight out of a bizarre science fiction movie. Tiny vehicles moving across a room ...

Sixteen female rats are heading out into the real world after life at college. That is, their life as study subjects. These rats may not have earned degrees of their own, but they helped other ...