What makes the human brain different from that of other primates has long been a question. A new study suggests that the answer may be in a surprising twist of evolutionary fate: one of the brain’s ...

"Size matters" sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.

As our evolution slows and industrialization and technology accelerates, a growing body of research suggests that human biology is struggling to keep pace. Many of the chronic stress-related health ...

In the grand story of evolution, the crowning human distinction is our big brain. But our large heads have been slow to recognize a less admirable trait of Homo sapiens—self-centeredness. Subscribe to ...

Among primates, the human penis is an evolutionary outlier. Controlling for body size, humans have greater girth and generally longer penises than chimpanzees, gorillas, or orangutans. Unlike our ...

The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours behind. Yet the “how” has stayed fuzzy for decades. A new Nature study led by ...

Harvard’s Human Evolutionary Biology concentration may soon be known by a different name. In an email to concentrators, Ashley Johnson, the HEB undergraduate program coordinator, wrote that the ...

A new paper by evolutionary anthropologists Colin Shaw (University of Zurich) and Daniel Longman (Loughborough University) argues that modern life has outpaced human evolution. The study suggests that ...

Human penis size indicates male attractiveness and fighting ability, with a larger size more attractive to women and more ...