A recent Instagram post showed two slugs duking it out, but were they actually fighting? Read here to learn more, and why ...

While they may look like innocent, wide-eyed plush toys on social media, slow lorises hide a far more violent reality. New ...

Spotted hyena clans flip the script on mammalian power: here, dominance is inherited, alliances matter most and females rule ...

From the eerie croak of a tropical frog to the haunting call of the howler monkey, the animal kingdom is filled with some ...

Few animals are more majestic than those bearing a crown of antlers. Moose bear these head adornments particularly well; they ...

For decades, scientists believed that bonobos, one of our closest living relatives, were among the most peaceful primates.

Across the animal kingdom, sound is more than communication—it's a signal of survival and success. From birds and primates to ...

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate relatives spread after the mass extinction. A paleoartist's depiction of ...

Elon Musk has been talking lately about the Kardashev scale. It’s named for Nikolai Kardashev, the Soviet-era astrophysicist who proposed, in 1964, that the use of energy is the essential feature of ...

Humans are the only primates with a chin, leaving biologists to wonder why we acquired this unique feature. According to a new analysis of head anatomy in apes, it probably didn’t evolve for a ...

With so many dating apps—and so many people using them—why are a record number of American adults single? Is marriage as important as it was a generation or two ago? Evolutionary biologist and sex ...