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, ...

Scientists have created a more efficient and controlled way to produce lab-grown inner ear hair cells than current methods allow, offering a new tool for hearing loss research. The study, published ...

The human middle ear—which houses three tiny, vibrating bones—is key to transporting sound vibrations into the inner ear, where they become nerve impulses that allow us to hear. Embryonic and fossil ...