Science has treated same-sex sexual behavior as an “evolutionary conundrum” because it (generally) doesn’t help animals to reproduce, thus ensuring that their genes get passed down and their species ...

(CNN) — Same-sex sexual behavior has been observed in more than 1,500 animal species, but a new study has found that it is massively underreported by researchers. Observations of this same-sex ...

A new study shows that parakeets will test the waters before trying to make friends, a behavior humans can use.

Less than a week from now, when the sun partially disappears behind Long Island's moon — and entirely in places like upstate New York — many of the Earth's creatures will react to the eclipse. Not all ...

"These tests are not complex enough and are typically not mandatory." Researchers issue warning after observing concerning ...

Microbes are everywhere, even inside of our bodies. The gut microbiome has been shown to have a powerful influence on biology, and can even affect the brain. Scientists have been learning more about ...

Dear Dr. Fox: I have an odd question for you. As I was talking to my housemate, we got into the subject of schizophrenia and dementia. I wondered if all mammals can have such problems. And what about ...

On Aug. 21, 2017, a solar eclipse shrouded The Riverbanks Zoo and Garden in Columbia, South Carolina, in near-total darkness for 2½ minutes. In the time leading up to the darkness, during it, and ...

Tagging wildlife alters animal behavior for days, reports new research. The findings highlight a need for longer tracking periods to better understand animal behavior in the wild. The corresponding ...

Empathy in animals encompasses a range of processes whereby individuals perceive, share, and respond to the emotional states of conspecifics, often leading to demonstrably prosocial behaviours.

Todd M. Freeberg does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...