The human body evolved over eons, slowly calibrating to the African savanna on which 98 percent of humankind lived and died. So, too, did the human brain. Evolutionary psychology is the study of the ...

Most pet behaviors are cute, but many of them may come from instincts developed by thousands of years of evolution. To learn more, put together a list of ways household pets have evolved as they’ve ...

Research suggests that crying is not a sign of weakness, but one of the most sophisticated social technologies in the natural ...

In the spring, ants are once again hard at work. Beyond their everyday presence, ants are also key model organisms in cutting ...

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 ...

The act of emotional crying is far from random or useless. Instead, it seems to be woven deeply into our social and emotional ...

John Maynard Smith is best known for his use of mathematical analyses in biology. Trained as an engineer and then as a biologist, Smith applied game theory to animal behavior and found that although ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Scientists revealed in a new study Monday that genes associated with same-sex sexual behavior may be evolutionarily advantageous to humans, helping to improve reproduction. (CN) — Scientists revealed ...

Same-sex sexual behavior among primates could be shaped partly by specific environmental and social conditions, according to a new study comparing 59 species. Same-sex sexual behavior (SSB) in animals ...