Scientists call this phenomenon emotional mimicry. Biologists and psychologists consider this automatic matching of another’s ...

Humans have practiced some form of yodeling since at least the 13th century, when Marco Polo encountered Tibetan monks on his travels who used the vocal technique for long-distance communication. It’s ...

"The fewer tracks you have to follow through the brain, the better for all of that." Six monkeys received grafts of the human neurons through two paths in each side, or hemisphere, of their brains, ...

Deep in the rainforest, the monkeys are yodeling. Their wild calls echo across the foliage, sending signals of sex and survival. For decades, scientists have studied why they make these sounds, but ...

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...

Punch the baby macaque monkey won the entire internet over after he was abandoned by his mom and was given an orangutan stuffie that acted as his emotional support toy. Other monkeys in the troop ...