Six-month-old babies show stress responses when viewing images of snakes and spiders, long before they could have learned ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

You may be familiar with the debate. Some biologists, anthropologists, and psychologists claim that several nonhuman animal species have culture. They point to two kinds of evidence to support their ...

We naked apes need Band-Aids, but shedding the fur that speeds healing in other mammals may have helped us evolve other abilities. By Elizabeth Preston Watching wild baboons in Kenya, Akiko ...

Since I started researching and writing my book The Last Walk, about end-of-life care for animals, I have taken every opportunity to talk to people about their experiences and hear their stories about ...

Humans aren’t the only animals with hot tempers. In 2016, ecologist Kristen Cecala and a colleague watched black-bellied salamanders (Desmognathus amphileucus) from Appalachian streams lunge at one ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.