Kissing is one of the few natural human gestures that carries significant symbolism and social expectations. For over 4,500 years, cultural norms across civilizations have shaped how affection can be ...

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 ...

Long-tailed macaques given short videos were glued to scenes of fighting—especially when the combatants were monkeys they knew—mirroring the human draw to drama and familiar faces. Low-ranking ...

Step into the lush landscapes of tropical rainforests or the wide-open spaces of savannas, and you might witness a captivating show unfolding high in the treetops – the world of monkeys. These clever ...

Kissing, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...