A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin ...

Another suggestion is that tails disappeared from the earliest apes due to a genetic mistake. When a single short stretch of DNA found in humans and other apes, but not in other primates, was added to ...

A new study explains why humans have chins while other primates do not. Researchers found that the chin likely formed as a ...

Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your ...