Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Where it lives: Tropical ...

Sperm whales have the largest brain of any living animal, weighing up to 9 kilograms (nearly 20 lbs), a key reason scientists believe they possess advanced communication and social intelligence. They ...

A local nonprofit said the 52-ton mammal is “far too big, awkward and heavy to remove.” A town official later said it could be dragged out to sea by Thanksgiving. By Mike Ives A dead sperm whale — the ...

Dwarf sperm whales have an unusual way to protect themselves if they come under attack. When they feel threatened, these tiny whales release their intestinal fluid, turning the water red. Growing up ...