The life of a sperm whale remains largely a mystery. The animals spend most of their time at great depths, diving more than 6,000 feet in pursuit of prey and staying down for more than an hour. They ...

The episode, involving a group of sperm whales, adds to evidence that humans aren’t the only species that gets some form of assistance during and after delivery. By Catrin Einhorn At first, the ...

Whalers pursued sperm whales for the rich oil in their oversized heads. Now biologists are on the tail of these deep-diving, long-lived, sociable and mysterious sea creatures. Gerard Soury / Oxford ...