Feb. 2 (UPI) --To hunt successfully, cheetahs must keep their head still and eyes focused on the movements of their prey while running at high speed. How does the fastest animal in the world do it?

Scientists and engineers have modeled a hidden mechanism in the inner ear that helps mammals balance via the fastest-known signal in the brain. The sensory organs that allow us to walk, dance and turn ...

The first warm-blooded animals appeared abruptly 233 million years ago, according to clues hidden deep inside their ears. Before now, scientists estimated that warm-bloodedness, or endothermy, ...

Lemurs in fancy hats are helping researchers better understand how extinct creatures moved. Although "fancy" may not be the best word for the attire (sadly, we're not talking about fedoras or bowlers ...