From bats to whales, echolocation helps certain mammals navigate environments with limited visibility using reflected sounds.
Volunteers around the country assist researchers studying the environment.
Research suggests White Nose Syndrome in bats will have bleak ecological and economic consequences.
The mystery began in a cave near Albany, New York in 2006...
They prowl in the dark, soar through starlit skies... they are vampire bats and they're looking for blood!
Despite the fact that they don't communicate through sound, some moths have ears. Find out why on this Moment of Science.
You probably have noticed that cats have slit pupils and humans have round pupils. What are the advantages of each pupil shape?
The belief in vampires is one of the most wide-spread of superstitions; How can all those eye-witnesses to these creatures of the night be wrong?
Mantids are some of the most impressive insect predators, regularly snaring other insects or even the occasional lizard, snake or frog.
Who wants real bats in their house? Well, if bats could talk, they might say the feeling is mutual.