High-frequency ultrasound significantly reduces the size of the face and modifies the internal bones of the ear in bats.

Evolutionary biologists aim to form fundamental connections between microevolutionary processes and macroevolutionary patterns based on comparative datasets of population-level variation. In a new ...

Deep inside a cave in central Spain, Neanderthals repeatedly carried horned and antlered skulls of large herbivores, stripped them of flesh, and arranged them near fires over what appears to be ...