If you think laughter and comedy are reserved strictly for humans, you’d be wrong. A study in the late 1990s showed that ...

For the first time, clumps of human cells called organoids were fully integrated with the brains of rats—and influenced their ...

A new study is linking brain behavior to silly playtime practices. And they have lab rats laughing out loud to prove it.In the video above, you can hear tiny high-pitched giggles from a rat being ...

Climate change is fueling a surge in rat populations across major US cities, with Washington, DC, seeing the worst increase over the past two decades, a new study said. The study published by Science ...