For 36 days, as the ice breaks up and retreats to within a few miles of the coast, we’ll dive through it, down as deep as 230 feet. (Read more: Get an Amazing Whale's-Eye View Underneath ...

Despite the extreme conditions, these whales manage to hunt two kilometres deep, surviving on a single breath for near to an hour, many times each day. Marine mammals as a group are accomplished ...

Whales are accomplished divers. The deepest whale dive recorded so far was made by a Cuvier's beaked whale. A 2014 study used satellite-linked tags to follow the dives of eight beaked whales off the ...

"And to prove the technical capabilities of this diving system, which we believe is now the deepest operational one in the world." The dive shattered the previous depth record for the Atlantic ...