Share on X CAYO SANTIAGO, Puerto Rico — It wasn't something out of Walt Disney. The primate inhabitants of Cayo Santiago didn ...

A study investigated whether the genes for schizophrenia and autism appeared more frequently as mammals evolved bigger brains ...

Scientists observed spotted hyenas (Crocuta crocuta) playing in the wild and found that their precise, sophisticated ...

President Donald Trump posted a doctored image of the Obamas alongside a graffiti-defaced Air Force One, months after a previous racist post showing the couple as primates was deleted following widesp ...

Great apes and humans all laugh with a steady, even rhythm, and a new study finds it has barely changed in 15 million years.

There are many kinds of laughter. People may guffaw at a joke. They may giggle nervously in an uncomfortable situation. They ...

Words vanish the instant they’re spoken, and no skeleton can tell us when our ancestors first started talking. So how can ...

Researchers have discovered similarities in laughter patterns between humans and great apes, including chimpanzees, bonobos, ...

Human laughter may share a 15-million-year-old evolutionary rhythm with our primate ancestors, offering clues about the ...

A comparative study of laughter across humans and other great apes found that its regular rhythmic structure may date back ...

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North America. Some may have even survived seasonal Arctic conditions by slowing ...