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

When a curious raccoon broke into an Ashland, Virginia, liquor store in December 2025, sampled the stock and passed out on ...

As a career ethologist, I was thrilled when I learned about Dr. Matthew Calarco's new and highly original book titled The Three Ethologies: A Positive Vision for Rebuilding Human-Animal Relationships.

Yes, people really do underestimate the cognitive abilities of fish. Study co-lead author, Maëlan Tomasek, with a fish “volunteer” in the behavioral experiment ...

Drastic declines in biodiversity due to human activities present risks to understanding animal behaviors such as tool use, according to new research. Shrinking animal populations make the study of ...

Understanding how genes influence complex behaviors remains one of biology's most fascinating challenges. Now, however, in a recent study, researchers have compiled a comprehensive dataset documenting ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

On a bright, late-summer day in north-central Europe around 300,000 years ago, a team of perhaps a couple dozen hunters got into their assigned positions for a big kill. Little did they know that ...