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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

While many studies have looked at possible evolutionary links between men's strength and sexual behavior, a Washington State University study included data on women with a surprising result. Women, as ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

ENTMAIN copy 39088020348470 Purchased from the Cullman Endowment. "Spider webs are considered by many to be the most spectacular structures of the natural world. Their designs, their creation, and ...

1. Mormon Crickets and Mating Meals -- 2. Katydids, Longhorns, and Bush-Crickets: Diversity and Evolution of the Tettigoniidae -- 3. What Katy Did: Habits and Life Cycles of Tettigoniids -- 4.

Scientists have long wondered whether evolution would follow the same path if history had a chance for a “do-over.” New research suggests that it does, when it comes to the brain and its regulation of ...

It was a gray morning on the steppes of central Mongolia when paleontologist Tsogtbaatar Chinzorig spotted something glinting on a distant slope. It was not a rock. As he drew closer, he realized he ...

Modern dogs offer a living record of change shaped by proximity to people. Over time, research shows that brains respond to ...