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 ...

A series of experiments at USC involving rats, cocaine and electric shocks has been stopped following a university investigation into complaints about lab-animal welfare. The experiments involved ...

In an experiment reminiscent of "Frankenstein," scientists found that rat brain cells can fill in for lost neurons in mice, even allowing the host rodents to sniff out sweets. While splicing rat and ...

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.

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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 ...

COLUMBIA, S.C. — A series of experiments at the University of South Carolina in Columbia involving rats, cocaine and electric shocks has been stopped following a university investigation into ...