"As long as we continue trading species, we will expose ourselves to this problem." ...

Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

If you've ever wondered how farming spread far and wide, our research on past human societies offers one explanation: contact between different groups often drives change. A new study led by an ...

Humans are the best of animals and the worst of animals. Humans are capable of compassion not seen in other animals and never will be. How many times have you seen on the news or in a documentary ...

High-tech camera system makes it possible for humans to see colors in the way animals do, adding vivid new perspective to the ...

Photograph of three male zebra finches (Taeniopygia castanotis), whose mating calls were used as part of the study. Credit: Raina Fan. The bright colors of butterfly wings, the sweet aromas of flowers ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or deep stress. Because this response is so familiar, observers often assume ...