The researchers injected the human tissue into the rats’ somatosensory cortexes — regions that receive and process sensory information like touch or pain. After about two weeks of training, the rats ...

The complicated human relationship with rats is well-documented on social media — where wild, urban rats in cities like New York occasionally go viral for their consumption habits, audacity, or ...

For centuries, rats have thrived in cities because of human behavior. In response, humans have blamed the rats and developed techniques for poisoning them. We research urban rat populations and ...

Jewel damselfish living on coral reefs surrounding rat-infested tropical islands have become less territorial and less aggressive due to a bizarre ecological link between the two species: bird poop.

The trend for extinct or thought-to-be-lost creatures might be to revive them, but it’s undeniably cooler to actually prove that they still exist. And the rediscovered giant woolly rat is a creature ...