Sperm whales dive into the midnight zone, using echolocation to track giant squid, returning scarred breathing hard, alive at ...

Giant Squid Credit: Wikimedia Commons Elusive and mysterious, the giant squid grows to an astonishing 43 feet. Its tentacles, lined with powerful suction cups, help it capture prey in the deep ocean.

In many ways, the deep ocean feels like an entirely different planet from the one we live on—home to some of Earth’s most extraordinary creatures, two of the most evocative being the largest toothed ...