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 ...

Ollie reports dogs show love through eye contact, affectionate gestures, and emotional connections, demonstrating a genuine ...

From iguanas to ancient dinosaurs, discover the surprising ways animals have evolved to use their tails as defense mechanisms against predators.

KWONG: Oh. OK, so you found out in your research - by tracing the phylogenetic tree of kissing through primates, you found out that kissing was likely present in the ancestor of all apes who lived 21 ...

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

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

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

Young people in animal attire walking on all fours have gone viral. They are ‘therians’. A social phenomenon born in ...

“The chin evolved largely by accident and not through direct selection, but as an evolutionary byproduct resulting from ...

Learn how the chin became an evolutionary byproduct that's unique to humans.