If you’re a lefty and have ever felt excluded from the right-handed club as you write a letter, throw a ball, or wield a ...

Humans are overwhelmingly right-handed, but scientists have long struggled to explain why no other primate species shows ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

A new study suggests the answer may trace back to two major shifts in human evolution: walking upright and growing bigger ...

Primates — the mammalian group that includes humans — are found pretty much everywhere on Earth, from equatorial rainforests to scientific research stations in Antarctica. This hugely diverse order ...