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, ...

Two detailed evaluations of the anatomy of inner ears and for some, scleral eye rings, from 124 extinct and 91 living species reveal new insights into the evolution of dinosaur sensory biology and ...

A new study reveals the surprisingly convergent evolution in the inner ear of mammals. An international research team led by Nicole Grunstra from the University of Vienna and Anne Le Maître from the ...

Lots of bats echolocate-- they emit high-pitched squeaks, and based on how those sound waves bounce off their surroundings, they're able to navigate in the dark and find insects to eat. But a lot ...