A new study found that subtle differences in an animal’s behavior by midlife can predict how long it is likely to live.

Biology team's research shows elevated corticosterone increases aggression — and survival — in Alaskan black-legged ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Homosexual behavior is much more common across the animal kingdom than we first thought, new research has found.

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 ...

As much as 6 percent of people are intersex, having chromosomes, gonads, and/or genitals that do not fit neatly into a male or female category. For this and other reasons, human biology is not binary.

Ambika Kamath and Melina Packer are working to overturn biased, outdated views in biology When Ambika Kamath was a graduate student in evolutionary biology at Harvard University, she knew one thing ...

Recent advances in accelerometry have transformed the field of animal ecology by enabling the continuous monitoring of fine-scale movement and behaviour in free-ranging species. Accelerometers, often ...

Some animals possess traits so extreme that they are often mistaken for myths or exaggerations. Scientists have documented these species in detail, yet their behavior and biology continue to provoke ...