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 ...