A Strange Whale Sound Recorded in Antarctica Could Be From a New Species

Whales are elusive creatures who roam the vast, open ocean. Because sightings of many species are so rare, we have to track these giant mammals by eavesdropping on their songs. And marine scientists recently picked a baffling new signal, which could be from a new species of beaked whale. »4/16/15 2:30am4/16/15 2:30am