Female Norway rats that receive help from an unfamiliar partner become significantly more willing to assist a completely different stranger afterward. This behavioral pattern, documented across ...

Add Yahoo as a preferred source to see more of our stories on Google. The University of South Carolina in Columbia. (Tracy Glantz/tglantz@thestate.com) A series of experiments at USC involving rats, ...

In a new study Indiana University researchers observed episodic memory in rats to a degree never documented before, suggesting that rats can serve as a model for complex cognitive processes often ...

The University of South Carolina has stopped an experiment in which researchers administered electric shocks to punish cocaine-addicted rats for thirsting after the drug, The State reported. Emails ...

One study found that rats emitted ultrasonic vocalizations when they were subjected to manual somatosensory stimulation, i.e., tickling. The results of this controversial research were published in ...

John B. Calhoun's mice had unlimited food, no predators and space to spare. Their population still collapsed into castes and died out — here's what it proves.