Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

Little Punch, a seven-month-old Japanese macaque living in the Ichikawa City Zoo in Japan, has captured hearts on the ...

In the wild, infant Japanese monkeys will nurse for up to two years. When they are orphaned, they can survive at Punch’s age — especially if they are adopted, or even just befriended, by others. When ...

Key Facts 13.3-million–13.6 million-year-old fossils from an extinct relative of the howler monkey show signs of being the first leaf-eating ...

New research that decoded the evolution of mosquitoes’ feeding habits from DNA could shed light on the murky timeline of prehistoric human ancestors.

In the age of endless scrolling, these clips seem almost ordinary. A penguin walking away from its colony across the Antarctic ice. A baby monkey clut.

Humans perceive emotional expressions displayed by non-human primates and spontaneously mimic these expressions, according to a study published March ...

Mosquitoes haven’t always had a taste for human blood — partly because the tiny yet dangerous insects have been around a lot longer than humans.

Mosquitoes haven’t always had a taste for human blood — partly because the tiny yet dangerous insects have been around a lot longer than humans.

• 13 million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome “howl” started doing something new. This monkey, one of the oldest known ancestors of ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or ...